2A2P5-OHR661OWS Open-Ear Earbuds

OHR661 OWS Open-Ear Earbuds User Manual Product structure diagram 1.Headphone Indicator Light 2.Function Key(Touch) 3.Charging Port 4.Charging Case Indicator Light 4 1 2 Tips: Gently place the earphones into the external ear canal and adjust the earphones after insertion Adjust the wearing angle to a comfortable angle. 3 英语English Preface Thank you for purchasing an Acer product. For best results, please read this manual carefully before use. Switch on/off Power ON: Take earbuds out of charging case for auto power-on;Long press touch key for 3s under power-off state (white LED flashes 3 times with power-on prompt tone). Power OFF: Put earbuds back into charging case for auto power-off & charging;Long press touch key for 5s under power-on state (white LED flashes 3 times with power-off prompt tone). Connection Operation W ireless Connection:Open the W ireless Settings page of Settings to search and operate. Answer/hang up Answer incoming call: Double-tap any left/right ear touch key when calls come. End ongoing call: Double-tap any left/right ear touch key during a call. Play/Pause Double-tap any left or right ear touch key to play / pause music under Bluetooth connected status. Refuse to answer the phone Long press any left/right ear touch key for 2 seconds when an incoming call arrives, the indicator turns off. Volume Control Volume +: Single tap right ear touch key Volume -: Single tap left ear touch key Track switching Previous track: Triple tap left ear touch key Next track: Triple tap right ear touch key Special mode Quadruple tap any ear touch key to switch between Music Mode / Game Mode with corresponding mode prompt tone. Long press any touch key for 2s to wake up voice assistant with tone prompt. 英语English Preface Thank you for purchasing an Acer product. For best results, please read this manual carefully before use. Wireless headphone parameters Operating Frequency Band : 20Hz-20KHz Maximum Radio-Frequency Power : 5.38dBm Safety Instructions 1. Before first use, please fully charge the product. 2. This product is not a toy. Children under 12 years old must use it under adult supervision. 3. Please use 5V/1A chargers with official safety certification from regular manufacturers. Do not use high-voltage fast chargers to avoid product damage. 4. Charge in a safe environment. Unplug the charging cable promptly after the charging case is fully charged to prevent battery damage from overcharging. The charging case adopts a Type-C charging port. 5. This product contains a lithium battery. If left unused for a long time, charge it at least once a month. 6. W hen using the product via Bluetooth, adjust the headphone volume to an appropriate level to prevent permanent hearing damage caused by long-term high-volume use. 7. This product contains magnetic materials. Keep it away from devices with strong magnetic or electric fields such as microwave ovens and refrigerators during use and storage. 8. Before cleaning and maintenance, stop using the product, close all applications, and disconnect all connections and cables from other devices. 9. Dispose of waste electronic products in accordance with local regulations. Do not discard electronic equipment, components or batteries with domestic garbage. 英语English Vorwort Vielen Dank, dass Sie sich für ein Produkt von Acer entschieden haben. Um eine optimale Leistung zu gewährleisten, lesen Sie bitte diese Anleitung vor der Verwendung sorgfältig durch. Ein-/Ausschalten Einschalten: Nehmen Sie die Ohrstöpsel aus der Ladebox, sie schalten sich automatisch ein; Bei ausgeschaltetem Gerät die Berührtaste 3 Sekunden lang gedrückt halten (weiße LED blinkt dreimal mit Einschalt-Signalton). Ausschalten: Legen Sie die Ohrstöpsel zurück in die Ladebox für automatisches Ausschalten und Aufladen; Bei eingeschaltetem Gerät die Berührtaste 5 Sekunden lang gedrückt halten (weiße LED blinkt dreimal mit Ausschalt-Signalton). Verbindungsvorgang Drahtlose Verbindung: Öffnen Sie die Seite „Drahtlose Einstellungen“ in den Einstellungen zur Suche und Bedienung von Geräten. Annehmen/Auflegen von Anrufen Eingehenden Anruf annehmen: Bei eingehendem Anruf doppelt auf die Berührtaste des linken oder rechten Ohrstöpsels tippen. Laufenden Anruf beenden: Während eines Gesprächs doppelt auf die Berührtaste des linken oder rechten Ohrstöpsels tippen. Wiedergabe/Pause Bei bestehender Bluetooth-Verbindung doppelt auf die Berührtaste des linken oder rechten Ohrstöpsels tippen, um Musik wiederzugeben oder anzuhalten. Anruf ablehnen Bei eingehendem Anruf eine beliebige linke oder rechte Berührtaste 2 Sekunden lang drücken, die Kontrollleuchte erlischt. Lautstärkeregelung Lautstärke +: Einmal auf die Berührtaste des rechten Ohrstöpsels tippen Lautstärke -: Einmal auf die Berührtaste des linken Ohrstöpsels tippen Titelwechsel Vorheriger Titel: Dreifach auf die Berührtaste des linken Ohrstöpsels tippen Nächster Titel: Dreifach auf die Berührtaste des rechten Ohrstöpsels tippen Sondermodus Vierfach auf eine beliebige Berührtaste tippen, um zwischen Musikmodus / Spielmodus zu wechseln (jeweils mit passendem Modus-Signalton). Beliebige Berührtaste 2 Sekunden lang gedrückt halten, um den Sprachassistenten mit Hinweiston zu aktivieren. 德语Deutsch Vorwort Vielen Dank, dass Sie sich für ein Produkt von Acer entschieden haben. Um eine optimale Leistung zu gewährleisten, lesen Sie bitte diese Anleitung vor der Verwendung sorgfältig durch. Parameter des Wireless-Kopfhörers Betriebsfrequenzband: 20Hz-20KHz Maximale Hochfrequenzleistung: 5.38dBm Sicherheitsanweisungen 德语Deutsch 1. Bitte laden Sie das Produkt vor der ersten Verwendung vollständig auf. 2. Dieses Produkt ist kein Spielzeug. Kinder unter 12 Jahren dürfen es nur unter Aufsicht eines Erwachsenen verwenden. 3. Verwenden Sie nur 5V/1A-Ladegeräte mit Sicherheitszertifizierung regulärer Hersteller. Vermeiden Sie Hochspannungs-Schnellladegeräte, um Schäden am Produkt zu verhindern. 4. Laden Sie das Gerät in einer sicheren Umgebung. Ziehen Sie …

Text truncated - open the document above for the full version.

Acer Gadget Inc. Add: 24F., No. 112, Sec. 1, Xintai 5th Rd., Xizhi Dist., New Taipei City 221, Taiwan Date: 2026-9-14 FCC ID: 2A2P5-OHR661 Dear Sir/Madam, We, Acer Gadget Inc. Hereby declares the following statement for Federal Communications Commission, PCB board, circuit, structure and internal of left&right earphones are the same, but the locations of components are different: Product name: OWS Open-Ear Earbuds Model no.: OHR661 Refer to the follow photos: Left Right Acer Gadget Inc. Add: 24F., No. 112, Sec. 1, Xintai 5th Rd., Xizhi Dist., New Taipei City 221, Taiwan Sincerely, Name/Title： Harriot S. L. Lee/Manager Company: Acer Gadget Inc. Address: 24F., No. 112, Sec. 1, Xintai 5th Rd., Xizhi Dist., New Taipei City 221, Taiwan Phone: 886-2-2696-3131 Fax: E-Mail: [email protected]

Shenzhen HTT Technology Co., Ltd. Report No.: HTT202608914 Shenzhen HTT Technology Co.,Ltd. Tel: 0755-23595200 Fax: 0755-23595201 1F, Building B, Huafeng International Robotics Industrial Park,Hangcheng Road, Nanchang Community, Xixiang Street, Bao'an District, Guangdong Province, Shenzhen, China Page 1 of 7 Product Name: OWS Open-Ear Earbuds Model No.: OHR661 EUT Constructional Details External Photo Report No.: HTT202608914 Shenzhen HTT Technology Co.,Ltd. Tel: 0755-23595200 Fax: 0755-23595201 1F, Building B, Huafeng International Robotics Industrial Park,Hangcheng Road, Nanchang Community, Xixiang Street, Bao'an District, Guangdong Province, Shenzhen, China Page 2 of 7 Report No.: HTT202608914 Shenzhen HTT Technology Co.,Ltd. Tel: 0755-23595200 Fax: 0755-23595201 1F, Building B, Huafeng International Robotics Industrial Park,Hangcheng Road, Nanchang Community, Xixiang Street, Bao'an District, Guangdong Province, Shenzhen, China Page 3 of 7 Report No.: HTT202608914 Shenzhen HTT Technology Co.,Ltd. Tel: 0755-23595200 Fax: 0755-23595201 1F, Building B, Huafeng International Robotics Industrial Park,Hangcheng Road, Nanchang Community, Xixiang Street, Bao'an District, Guangdong Province, Shenzhen, China Page 4 of 7 Report No.: HTT202608914 Shenzhen HTT Technology Co.,Ltd. Tel: 0755-23595200 Fax: 0755-23595201 1F, Building B, Huafeng International Robotics Industrial Park,Hangcheng Road, Nanchang Community, Xixiang Street, Bao'an District, Guangdong Province, Shenzhen, China Page 5 of 7 Report No.: HTT202608914 Shenzhen HTT Technology Co.,Ltd. Tel: 0755-23595200 Fax: 0755-23595201 1F, Building B, Huafeng International Robotics Industrial Park,Hangcheng Road, Nanchang Community, Xixiang Street, Bao'an District, Guangdong Province, Shenzhen, China Page 6 of 7 Report No.: HTT202608914 Shenzhen HTT Technology Co.,Ltd. Tel: 0755-23595200 Fax: 0755-23595201 1F, Building B, Huafeng International Robotics Industrial Park,Hangcheng Road, Nanchang Community, Xixiang Street, Bao'an District, Guangdong Province, Shenzhen, China Page 7 of 7 ------End------

Label and Location Size: L: 1.0cm*W: 0.2cm Label and Location FCC ID : 2A2P5-OHR661

Shenzhen HTT Technology Co., Ltd. Report No.: HTT202608914 Shenzhen HTT Technology Co.,Ltd. Tel: 0755-23595200 Fax: 0755-23595201 1F, Building B, Huafeng International Robotics Industrial Park,Hangcheng Road, Nanchang Community, Xixiang Street, Bao'an District, Guangdong Province, Shenzhen, China Page 1 of 6 Product Name: OWS Open-Ear Earbuds Model No.: OHR661 Internal Photos of the EUT Left side Photo Report No.: HTT202608914 Shenzhen HTT Technology Co.,Ltd. Tel: 0755-23595200 Fax: 0755-23595201 1F, Building B, Huafeng International Robotics Industrial Park,Hangcheng Road, Nanchang Community, Xixiang Street, Bao'an District, Guangdong Province, Shenzhen, China Page 2 of 6 Report No.: HTT202608914 Shenzhen HTT Technology Co.,Ltd. Tel: 0755-23595200 Fax: 0755-23595201 1F, Building B, Huafeng International Robotics Industrial Park,Hangcheng Road, Nanchang Community, Xixiang Street, Bao'an District, Guangdong Province, Shenzhen, China Page 3 of 6 Report No.: HTT202608914 Shenzhen HTT Technology Co.,Ltd. Tel: 0755-23595200 Fax: 0755-23595201 1F, Building B, Huafeng International Robotics Industrial Park,Hangcheng Road, Nanchang Community, Xixiang Street, Bao'an District, Guangdong Province, Shenzhen, China Page 4 of 6 Right side Photo Report No.: HTT202608914 Shenzhen HTT Technology Co.,Ltd. Tel: 0755-23595200 Fax: 0755-23595201 1F, Building B, Huafeng International Robotics Industrial Park,Hangcheng Road, Nanchang Community, Xixiang Street, Bao'an District, Guangdong Province, Shenzhen, China Page 5 of 6 Report No.: HTT202608914 Shenzhen HTT Technology Co.,Ltd. Tel: 0755-23595200 Fax: 0755-23595201 1F, Building B, Huafeng International Robotics Industrial Park,Hangcheng Road, Nanchang Community, Xixiang Street, Bao'an District, Guangdong Province, Shenzhen, China Page 6 of 6 ------End------

Shenzhen HTT Technology Co., Ltd. Shenzhen HTT Technology Co.,Ltd. Tel: 0755-23595200 Fax: 0755-23595201 1F, Building B, Huafeng International Robotics Industrial Park, Hangcheng Road,Nanchang Community, Xixiang Street, Bao'an District, Shenzhen, Guangdong, China Page 1 of 9 RF Exposure evaluation Report Reference No. ..................... : FCC ID. ........................................... : HTT202608914F02 2A2P5-OHR661 Compiled by ( position+printed name+signature) .. : File administrators Heber He Supervised by ( position+printed name+signature) .. : Project Engineer Bruce Zhu Approved by ( position+printed name+signature) .. : RF Manager Kevin Yang Date of issue ..................................... : Sep. 01, 2026 Testing Laboratory Name ..............: Shenzhen HTT Technology Co.,Ltd. Address ............................................ : 1F, Building B, Huafeng International Robotics Industrial Park, Hangcheng Road,Nanchang Community, Xixiang Street, Bao’an District, Shenzhen, Guangdong, China Applicant’s name ............................: Acer Gadget Inc. Address ............................................ : 24F., No.112, Sec. 1, Xintai 5th Rd., Xizhi Dist., New Taipei city 221, Taiwan Standard ........................................... : 47CFR §1.1310 47CFR §2.1093 KDB447498 D01 General RF Exposure Guidance v06 Shenzhen HTT Technology Co.,Ltd. All rights reserved. This publication may be reproduced in whole or in part for non-commercial purposes as long as the Shenzhen HTT Technology Co.,Ltd. is acknowledged as copyright owner and source of the material. Shenzhen HTT Technology Co.,Ltd. takes no responsibility for and will not assume liability for damages resulting from the reader's interpretation of the reproduced material due to its placement and context. Test item description ..................... : OWS Open-Ear Earbuds Manufacturer .................................... : Acer Gadget Inc. Trade Mark ........................................ Acer Model/Type reference....................... : OHR661 Rating ............................................... : Headphone battery capacity:3.7V/30mAh (polymer battery) Charging bin battery capacity:3.7V/250mAh (polymer battery) Charging interface :USB Type-C Result................................................ : PASS Report No.: HTT202608914F02 Page 2 of 9 Shenzhen HTT Technology Co.,Ltd. Tel: 0755-23595200 Fax: 0755-23595201 1F, Building B, Huafeng International Robotics Industrial Park, Hangcheng Road,Nanchang Community, Xixiang Street, Bao'an District, Shenzhen, Guangdong, China Page 2 of 9 T E S T R E P O R T Equipment under Test : OWS Open-Ear Earbuds Model /Type : OHR661 Listed Models : N/A Applicant : Acer Gadget Inc. Address : 24F., No.112, Sec. 1, Xintai 5th Rd., Xizhi Dist., New Taipei city 221, Taiwan Manufacturer : Acer Gadget Inc. Address : 24F., No.112, Sec. 1, Xintai 5th Rd., Xizhi Dist., New Taipei city 221, Taiwan Test Result: PASS The test report merely corresponds to the test sample. It is not permitted to copy extracts of these test result without the written permission of the test laboratory. Report No.: HTT202608914F02 Page 3 of 9 Shenzhen HTT Technology Co.,Ltd. Tel: 0755-23595200 Fax: 0755-23595201 1F, Building B, Huafeng International Robotics Industrial Park, Hangcheng Road,Nanchang Community, Xixiang Street, Bao'an District, Shenzhen, Guangdong, China Page 3 of 9 Contents 1 T E S T S T A N D A R D S .................................................... 4 2 S U M M A R Y ............................................................... 5 2.1 General Remarks 5 2.2 Product Description 5 2.3 Special Accessories 5 2.4 Modifications 5 3 T E S T E N V I R O N M E N T 6 3.1 Address of the test laboratory 6 3.2 Test Facility 6 3.3 Statement of the measurement uncertainty 6 4 T E S T L I M I T 7 4.1 Requirement 7 4.2 Conducted Power Results 8 4.3 Manufacturing tolerance 8 4.4 Evaluation Result 9 4.5 Simultaneous Transmission for SAR Exclusion 9 5 C O N C L U S I O N 9 Report No.: HTT202608914F02 Page 4 of 9 Shenzhen HTT Technology Co.,Ltd. Tel: 0755-23595200 Fax: 0755-23595201 1F, Building B, Huafeng International Robotics Industrial Park, Hangcheng Road,Nanchang Community, Xixiang Street, Bao'an District, Shenzhen, Guangdong, China Page 4 of 9 1 T E S T S T A N D A R D S The tests were performed according to following standards: ANSI C95.1–1999: IEEE Standard for Safety Levels with Respect to Human Exposure to Radio Frequency Electromagnetic Fields, 3 kHz to 300 GHz. FCC KDB 447498 D01 General RF Exposure Guidance v06: Mobile and Portable Device, RF Exposure, Equipment Authorization Procedures. FCC CFR 47 part1 1.1310: Radiofrequency radiation exposure limits. FCC CFR 47 part2 2.1093: Radiofrequency radiation exposure evaluation: portable devices Report No.: HTT202608914F02 Page 5 of 9 Shenzhen HTT Technology Co.,Ltd. Tel: 0755-23595200 Fax: 0755-23595201 1F, Building B, Huafeng International Robotics Industrial Park, Hangcheng Road,Nanchang Community, Xixiang Street, Bao'an District, Shenzhen, Guangdong, China Page 5 of 9 2 S U M M A R Y 2.1 General Remarks Date of receipt of test sample : Aug. 26, 2026 Testing commenced on : Aug. 26, 2026 Testing concluded on : Sep. 01, 2026 2.2 Product Description Product description: OWS Open-Ear Earbuds Model/Type reference: OHR661 Power supply: Headphone battery capacity:3.7V/30mAh (polymer battery) Charging bin battery capacity:3.7V/250mAh (polymer battery) Charging interface :USB Type-C Adapter Information (Auxiliary test provided by the lab): Model: GS-0500200 Input: AC100-240V, 50/60Hz, 0.3A max Output: DC 5V, 2A Testing sample ID： HTT202608914-1# (Engineer sample) HTT202608914-2# (Normal sample) Hardware version: / Software version: / Bluetooth : Supported Type: Bluetooth BR/EDR Modulation: GFSK, π/4DQPSK, 8-DPSK Operation frequency: 2402MHz~2480MHz Channel number: 79 Channel separation: 1MHz Antenna type: Geomagnetic Antenna Antenna gain: 2.80 dBi 2.3 Special Accessories T…

Text truncated - open the document above for the full version.

PengBanXingYeShenZhenTechnologyCo.,Ltd Address：Room608,Building4,1970ScienceandTechnologyTown,MinzhiStreet,LonghuaDistrict,Shenzhen. UNLESSOTHERSPECIFIEDTOLERANCESON： X＝±X.X＝±X.XX＝ ANGLES＝ ± HOLEDIA＝ ± PengBanXingYeShenZhenTechnologyCo.,Ltd SCALE：N/AUNIT：mm THESEDRAWINGSANDSPECIFICATIONSARETHEPROPERTYOFPBXY TECHNOLOGYLimitedANDSHALLNOTBEREPRODUCEDORUSEDAS THEBASISFORTHEMANUFACTUREORSALEOFAPPARATUSOR DEVICESWITHOUTPERMISSION DRAWNBY:SeraCHECKEDBY:XD DESIGNEDBY:SeraAPPROVEDBY:XD TITLE：CHIP2450-1608Specification DOCUMENT NO. 1608 SPECREV. P1 1 SPECIFICATIONS CUSTOMER: DESCRIPTION: GeomagneticAntenna CUSTOMERPARTNO: OURMODELNO: PBX1608MA07 DATE: PLEASERETURNTOUSONECOPYOF“SPECIFICATIONFORAPPROVAL” WITHYOURAPPROVEDSIGNATURES ApprovedLiuFeiAuditLiuFeiMakingLiuXiaoMei CustomerAcknowledgesSignature Date PengBanXingYeShenZhenTechnologyCo.,Ltd Address：Room608,Building4,1970ScienceandTechnologyTown,MinzhiStreet,LonghuaDistrict,Shenzhen. UNLESSOTHERSPECIFIEDTOLERANCESON： X＝±X.X＝±X.XX＝ ANGLES＝ ± HOLEDIA＝ ± PengBanXingYeShenZhenTechnologyCo.,Ltd SCALE：N/AUNIT：mm THESEDRAWINGSANDSPECIFICATIONSARETHEPROPERTYOFPBXY TECHNOLOGYLimitedANDSHALLNOTBEREPRODUCEDORUSEDAS THEBASISFORTHEMANUFACTUREORSALEOFAPPARATUSOR DEVICESWITHOUTPERMISSION DRAWNBY:SeraCHECKEDBY:XD DESIGNEDBY:SeraAPPROVEDBY:XD TITLE：CHIP2450-1608Specification DOCUMENT NO. 1608 SPECREV. P1 2 PBX1608MA07Specification OperatingTemp.:-40°C~+85°C 1.FEATURES: ●Lightweight,compact ●Widebandwidth,lowcost ●Built-inantennawithhighgain 2.APPLICATIONS: ●Bluetooth,WirelessLAN,MobileTV ●HomeRFSystem,etc 3.PRODUCTIDENTIFICATION (1)(2)(3) (1)Producttype:MultilayerchipAntenna (2)CenterFrequency:2450MHz (3)ExternalDimensions(L×W)(mm):1.6*0.8 4.SHAPEANDDIMENSIONS: LWHA 1.60 ± 0.200.80 ± 0.20 0.80±0.200.30±0.10 CH IP45 016 2 08 PengBanXingYeShenZhenTechnologyCo.,Ltd Address：Room608,Building4,1970ScienceandTechnologyTown,MinzhiStreet,LonghuaDistrict,Shenzhen. UNLESSOTHERSPECIFIEDTOLERANCESON： X＝±X.X＝±X.XX＝ ANGLES＝ ± HOLEDIA＝ ± PengBanXingYeShenZhenTechnologyCo.,Ltd SCALE：N/AUNIT：mm THESEDRAWINGSANDSPECIFICATIONSARETHEPROPERTYOFPBXY TECHNOLOGYLimitedANDSHALLNOTBEREPRODUCEDORUSEDAS THEBASISFORTHEMANUFACTUREORSALEOFAPPARATUSOR DEVICESWITHOUTPERMISSION DRAWNBY:SeraCHECKEDBY:XD DESIGNEDBY:SeraAPPROVEDBY:XD TITLE：CHIP2450-1608Specification DOCUMENT NO. 1608 SPECREV. P1 3 ●AntennaislocatedinthePCBboardorthemiddleposition(long-barheadphones):(units:mm) Theantennaisoptimallyplacedinthemiddlearea,andatleastonerowofthroughholes aroundtheclearanceareaisoptimallyrequired. ●WhentheantennaislocatedattheedgeofthePCBboard(in-earheadphonesandsome long-barheadphones): Theantennaisoptimallyplaced ontheedgeofthePCBA;theantennaand itsalignmentaresetonasinglelayer. Designcriteria:： 1.Thedimensionsinthediagramareforreferenceonly;theactualdimensionsareoptimizedfor differentversions. 2.Theoptimumclearanceareaaroundtheneedforatleastarowofholes,aperture0.3mm,and otherPCBAcircuitormaterialisolation. PengBanXingYeShenZhenTechnologyCo.,Ltd Address：Room608,Building4,1970ScienceandTechnologyTown,MinzhiStreet,LonghuaDistrict,Shenzhen. UNLESSOTHERSPECIFIEDTOLERANCESON： X＝±X.X＝±X.XX＝ ANGLES＝ ± HOLEDIA＝ ± PengBanXingYeShenZhenTechnologyCo.,Ltd SCALE：N/AUNIT：mm THESEDRAWINGSANDSPECIFICATIONSARETHEPROPERTYOFPBXY TECHNOLOGYLimitedANDSHALLNOTBEREPRODUCEDORUSEDAS THEBASISFORTHEMANUFACTUREORSALEOFAPPARATUSOR DEVICESWITHOUTPERMISSION DRAWNBY:SeraCHECKEDBY:XD DESIGNEDBY:SeraAPPROVEDBY:XD TITLE：CHIP2450-1608Specification DOCUMENT NO. 1608 SPECREV. P1 4 AntennaPackageScheme1（3.5mm×7.5mm） PengBanXingYeShenZhenTechnologyCo.,Ltd Address：Room608,Building4,1970ScienceandTechnologyTown,MinzhiStreet,LonghuaDistrict,Shenzhen. UNLESSOTHERSPECIFIEDTOLERANCESON： X＝±X.X＝±X.XX＝ ANGLES＝ ± HOLEDIA＝ ± PengBanXingYeShenZhenTechnologyCo.,Ltd SCALE：N/AUNIT：mm THESEDRAWINGSANDSPECIFICATIONSARETHEPROPERTYOFPBXY TECHNOLOGYLimitedANDSHALLNOTBEREPRODUCEDORUSEDAS THEBASISFORTHEMANUFACTUREORSALEOFAPPARATUSOR DEVICESWITHOUTPERMISSION DRAWNBY:SeraCHECKEDBY:XD DESIGNEDBY:SeraAPPROVEDBY:XD TITLE：CHIP2450-1608Specification DOCUMENT NO. 1608 SPECREV. P1 5 AntennaPackageSchemeII（4.5mm×6mm） PengBanXingYeShenZhenTechnologyCo.,Ltd Address：Room608,Building4,1970ScienceandTechnologyTown,MinzhiStreet,LonghuaDistrict,Shenzhen. UNLESSOTHERSPECIFIEDTOLERANCESON： X＝±X.X＝±X.XX＝ ANGLES＝ ± HOLEDIA＝ ± PengBanXingYeShenZhenTechnologyCo.,Ltd SCALE：N/AUNIT：mm THESEDRAWINGSANDSPECIFICATIONSARETHEPROPERTYOFPBXY TECHNOLOGYLimitedANDSHALLNOTBEREPRODUCEDORUSEDAS THEBASISFORTHEMANUFACTUREORSALEOFAPPARATUSOR DEVICESWITHOUTPERMISSION DRAWNBY:SeraCHECKEDBY:XD DESIGNEDBY:SeraAPPROVEDBY:XD TITLE：CHIP2450-1608Specification DOCUMENT NO. 1608 SPECREV. P1 6 AntennaPackageSchemeIII（1.5mm×10mm） PengBanXingYeShenZhenTechnologyCo.,Ltd Address：Room608,Building4,1970ScienceandTechnologyTown,MinzhiStreet,LonghuaDistrict,Shenzhen. UNLESSOTHERSPECIFIEDTOLERANCESON： X＝±X.X＝±X.XX＝ ANGLES＝ ± HOLEDIA＝ ± PengBanXingYeShenZhenTechnologyCo.,Ltd SCALE：N/AUNIT：mm THESEDRAWINGSANDSPECIFICATIONSARETHEPROPERTYOFPBXY TECHNOLOGYLimitedANDSHALLNOTBEREPRODUCEDORUSEDAS THEBASISFORTHEMANUFACTUREORSALEOFAPPARATUSOR DEVICESWITHOUTPERMISSION DRAWNBY:SeraCHECKEDBY:XD DESIGNEDBY:SeraAPPROVEDBY:XD TITLE：CHIP2450-1608Specification DOCUMENT NO. 1608 SPECREV. P1 7 ElectricalCharacteristics FeatureSpecification 1Centralfrequency2.45GHz 2Bandwidth>150MHz 3Peakgain2.8dBi 4VSWR<2 5PolarizationLinear 6AzimuthbeamwidthOmnidirectional 7Impedance50Ω CharacteristicCurves PengBanXingYeShenZhenTechnologyCo.,Ltd Address：Room608,Building4,1970ScienceandTechnologyTown,MinzhiStreet,LonghuaDistrict,Shenzhen. UNLESSOTHERSPECIFIEDTOLERANCESON： X＝±X.X＝±X.XX＝ ANGLES＝ ± HOLEDIA＝ ± PengBanXingYeShenZhenTechnologyCo.,Ltd SCALE：N/AUNIT：mm THESEDRAWINGSANDSPECIFICATIONSARETHEPROPERTYOFPBXY TECHNOLOGYLimitedANDSHALLNOTBEREPRODUCEDORUSEDAS THEBASISFORTHEMANUFACTUREORSALEOFAPPARATUSOR DEVICESWITHOUTPERMISSION DRAWNBY:SeraCHECKEDBY:XD DESIGNEDBY:SeraAPPROVEDBY:XD TITLE：CHIP2450-1608Specification DOCUMENT NO. 1608 SPECREV. P1 8 RadiationPatte…

Text truncated - open the document above for the full version.

1 Appendix RF Test Data for BT Company: : Acer Gadget Inc. EUT : OWS Open-Ear Earbuds FCC ID: : 2A2P5-OHR661 Model Number : OHR661 Report No. : HTT202608914F01 Reviewed By : Heber He 2 1. Duty Cycle 1.1 Test Result 1.1.1 Ant1 Ant1 Mode TX Type Frequency (MHz) Packet Type T_on (ms) Period (ms) Duty Cycle (%) Duty Cycle Correction Factor (dB) Max. DC Variation (%) GFSK SISO 2402 DH5 2.913 3.749 77.70 1.10 0.03 2441 DH5 2.915 3.751 77.71 1.10 0.03 2480 DH5 2.913 3.749 77.70 1.10 0.03 Pi/4DQPSK SISO 2402 2DH5 2.920 3.751 77.85 1.09 0.03 2441 2DH5 2.919 3.749 77.86 1.09 0.01 2480 2DH5 2.920 3.751 77.85 1.09 0.03 8DPSK SISO 2402 3DH5 2.923 3.750 77.95 1.08 0.01 2441 3DH5 2.922 3.750 77.92 1.08 0.03 2480 3DH5 2.922 3.750 77.92 1.08 0.04 3 1.2 Test Graph 1.2.1 Ant1 GFSK_DH5_LCH_2402MHz_Ant1_NTNV GFSK_DH5_MCH_2441MHz_Ant1_NTNV 4 GFSK_DH5_HCH_2480MHz_Ant1_NTNV Pi/4DQPSK_2DH5_LCH_2402MHz_Ant1_NTNV 5 Pi/4DQPSK_2DH5_MCH_2441MHz_Ant1_NTNV Pi/4DQPSK_2DH5_HCH_2480MHz_Ant1_NTNV 6 8DPSK_3DH5_LCH_2402MHz_Ant1_NTNV 8DPSK_3DH5_MCH_2441MHz_Ant1_NTNV 7 8DPSK_3DH5_HCH_2480MHz_Ant1_NTNV 8 2. Bandwidth 2.1 Test Result 2.1.1 OBW Mode TX Type Frequency (MHz) Packet Type ANT 99% Occupied Bandwidth (MHz) Verdict Result Limit GFSK SISO 2402 DH5 1 0.860 / Pass 2441 DH5 1 0.858 / Pass 2480 DH5 1 0.855 / Pass Pi/4DQPSK SISO 2402 2DH5 1 1.171 / Pass 2441 2DH5 1 1.178 / Pass 2480 2DH5 1 1.161 / Pass 8DPSK SISO 2402 3DH5 1 1.160 / Pass 2441 3DH5 1 1.189 / Pass 2480 3DH5 1 1.172 / Pass 2.1.2 20dB BW Mode TX Type Frequency (MHz) Packet Type ANT 20dB Bandwidth (MHz) Verdict Result Limit GFSK SISO 2402 DH5 1 0.927 / Pass 2441 DH5 1 0.927 / Pass 2480 DH5 1 0.925 / Pass Pi/4DQPSK SISO 2402 2DH5 1 1.262 / Pass 2441 2DH5 1 1.260 / Pass 2480 2DH5 1 1.261 / Pass 8DPSK SISO 2402 3DH5 1 1.259 / Pass 2441 3DH5 1 1.248 / Pass 2480 3DH5 1 1.264 / Pass 9 2.2 Test Graph 2.2.1 OBW GFSK_DH5_LCH_2402MHz_Ant1_NTNV GFSK_DH5_MCH_2441MHz_Ant1_NTNV 10 GFSK_DH5_HCH_2480MHz_Ant1_NTNV Pi/4DQPSK_2DH5_LCH_2402MHz_Ant1_NTNV 11 Pi/4DQPSK_2DH5_MCH_2441MHz_Ant1_NTNV Pi/4DQPSK_2DH5_HCH_2480MHz_Ant1_NTNV 12 8DPSK_3DH5_LCH_2402MHz_Ant1_NTNV 8DPSK_3DH5_MCH_2441MHz_Ant1_NTNV 13 8DPSK_3DH5_HCH_2480MHz_Ant1_NTNV 14 2.2.2 20dB BW GFSK_DH5_LCH_2402MHz_Ant1_NTNV GFSK_DH5_MCH_2441MHz_Ant1_NTNV 15 GFSK_DH5_HCH_2480MHz_Ant1_NTNV Pi/4DQPSK_2DH5_LCH_2402MHz_Ant1_NTNV 16 Pi/4DQPSK_2DH5_MCH_2441MHz_Ant1_NTNV Pi/4DQPSK_2DH5_HCH_2480MHz_Ant1_NTNV 17 8DPSK_3DH5_LCH_2402MHz_Ant1_NTNV 8DPSK_3DH5_MCH_2441MHz_Ant1_NTNV 18 8DPSK_3DH5_HCH_2480MHz_Ant1_NTNV 19 3. Maximum Conducted Output Power 3.1 Test Result 3.1.1 Power Left: Mode TX Type Frequency (MHz) Packet Type Maximum Peak Conducted Output Power (dBm) Verdict ANT1 Limit GFSK SISO 2402 DH5 -1.91 <=30 Pass 2441 DH5 -2.49 <=30 Pass 2480 DH5 -2.91 <=30 Pass Pi/4DQPSK SISO 2402 2DH5 -1.07 <=20.97 Pass 2441 2DH5 -1.69 <=20.97 Pass 2480 2DH5 -1.90 <=20.97 Pass 8DPSK SISO 2402 3DH5 -0.77 <=20.97 Pass 2441 3DH5 -1.36 <=20.97 Pass 2480 3DH5 -1.55 <=20.97 Pass Right: Mode TX Type Frequency (MHz) Packet Type Maximum Peak Conducted Output Power (dBm) Verdict ANT1 Limit GFSK SISO 2402 DH5 -1.73 <=30 Pass 2441 DH5 -2.15 <=30 Pass 2480 DH5 -2.46 <=30 Pass Pi/4DQPSK SISO 2402 2DH5 -1.39 <=20.97 Pass 2441 2DH5 -1.27 <=20.97 Pass 2480 2DH5 -1.46 <=20.97 Pass 8DPSK SISO 2402 3DH5 -0.37 <=20.97 Pass 2441 3DH5 -1.21 <=20.97 Pass 2480 3DH5 -1.18 <=20.97 Pass 20 4. Carrier Frequency Separation 4.1 Test Result 4.1.1 Ant1 Ant1 Mode TX Type Frequency (MHz) Packet Type Channel Separation (MHz) 20dB Bandwidth (MHz) Limit (MHz) Verdict GFSK SISO HOPP DH5 1.012 0.927 >=0.927 Pass Pi/4DQPSK SISO HOPP 2DH5 1.010 1.262 >=0.841 Pass 8DPSK SISO HOPP 3DH5 1.001 1.264 >=0.843 Pass 21 4.2 Test Graph 4.2.1 Ant1 GFSK_DH5_HOPP_Ant1_NTNV Pi/4DQPSK_2DH5_HOPP_Ant1_NTNV 22 8DPSK_3DH5_HOPP_Ant1_NTNV 23 5. Number of Hopping Frequencies 5.1 Test Result 5.1.1 HoppNum Mode TX Type Frequency (MHz) Packet Type Num of Hopping Frequencies Verdict ANT1 Limit GFSK SISO HOPP DH5 79 >=15 Pass Pi/4DQPSK SISO HOPP 2DH5 79 >=15 Pass 8DPSK SISO HOPP 3DH5 79 >=15 Pass 24 5.2 Test Graph 5.2.1 HoppNum GFSK_DH5_HOPP_Ant1_NTNV Pi/4DQPSK_2DH5_HOPP_Ant1_NTNV 25 8DPSK_3DH5_HOPP_Ant1_NTNV 26 6. Time of Occupancy (Dwell Time) 6.1 Test Result 6.1.1 Ant1 Ant1 Mode TX Type Frequency (MHz) Packet Type Duration of Single Pulse (ms) Observation Period (s) Num of Pulse in Observation Period Dwell Time (ms) Limit (ms) Verdict GFSK SISO HOPP DH1 0.412 31.600 320 131.840 <=400 Pass DH3 1.670 31.600 162 270.540 <=400 Pass DH5 2.916 31.600 107 312.012 <=400 Pass Pi/4DQPSK SISO HOPP 2DH1 0.422 31.600 320 135.040 <=400 Pass 2DH3 1.676 31.600 159 266.484 <=400 Pass 2DH5 2.924 31.600 110 321.640 <=400 Pass 8DPSK SISO HOPP 3DH1 0.422 31.600 320 135.040 <=400 Pass 3DH3 1.674 31.600 159 266.166 <=400 Pass 3DH5 2.928 31.600 105 307.440 <=400 Pass 27 6.2 Test Graph 6.2.1 Ant1 GFSK_DH1_HOPP_Ant1_NTNV GFSK_DH1_HOPP_Ant1_NTNV 28 GFSK_DH3_HOPP_Ant1_NTNV GFSK_DH3_HOPP_Ant1_NTNV 29 GFSK_DH5_HOPP_Ant1_NTNV GFSK_DH5_HOPP_Ant1_NTNV 30 Pi/4DQPSK_2DH1_HOPP_Ant1_NTNV Pi/4DQPSK_2DH1_HOPP_Ant1_NTNV 31 Pi/4DQPSK_2DH3_HOPP_Ant1_NTNV Pi/4DQPSK_2DH3_HOPP_Ant1_NTNV 32 Pi/4DQPSK_2DH5_HOPP_Ant1_NTNV Pi/4DQPSK_2DH5_HOPP_Ant1_NTNV 33 8DPSK_3DH1_HOPP_Ant1_NTNV 8DPSK_3DH1_HOPP_Ant1_NTNV 34 8DPSK_3DH3_HOPP_Ant1_NTNV 8DPSK_3DH3_HOPP_Ant1_NTNV 35 8DPSK_3DH5_HOPP_Ant1_NTNV 8DPSK_3DH5_HOPP_Ant1_NTNV 36 7. Unwanted Emissions In Non-restricted Frequency Bands 7.1 Test Result 7.1.1 Ref Mode TX Type Frequency (MHz) Packet Type ANT Level of Reference (dBm) GFSK SISO 2402 DH5 1 -2.44 2441 DH5 1 -2.99 2480 DH5 1 -3.35 HOPP DH5 1 -2.37 -2.37 Pi/4DQPSK SISO 2402 2DH5 1 -2.42 2441 2DH5 1 -3.35 2480 2DH5 1 -3.18 HOPP 2DH5 1 -2.41 -2.92 8DPSK SISO 2402 3DH5 1 -2.40 2441 3DH5 1 -3.06 2480 3DH5 1 -3.15 HOPP 3DH5 1 -2.31 -2.46 7.1.2 CSE Mode TX Type Frequency (MHz) Packet Type ANT Level of Reference (dBm) Limit (dBm) Verdict GFSK SISO 2402 DH5 1 -2.44 -22.44 Pass 2441 DH5 1 -2.99 -22.99 Pass 2480 DH5 1 -3.35 -23.35 Pass HOPP DH5 1 -2.37 -22.37 Pass -2.37 -22.37 P…

Text truncated - open the document above for the full version.

Shenzhen HTT Technology Co., Ltd. Shenzhen HTT Technology Co.,Ltd. Tel: 0755-23595200 Fax: 0755-23595201 1F, Building B, Huafeng International Robotics Industrial Park, Hangcheng Road,Nanchang Community, Xixiang Street, Bao'an District, Shenzhen, Guangdong, China FCC PART 15 SUBPART C TEST REPORT FCC PART 15.247 Report Reference No. .................... : FCC ID. ........................................... : HTT202608914F01 2A2P5-OHR661 Compiled by ( position+printed name+signature) . : File administrators Heber He Supervised by ( position+printed name+signature) . : Project Engineer Bruce Zhu Approved by ( position+printed name+signature) . : RF Manager Kevin Yang Date of issue .................................... : Sep. 01, 2026 Testing Laboratory Name .............. : Shenzhen HTT Technology Co.,Ltd. Address ............................................ : 1F, Building B, Huafeng International Robotics Industrial Park, Hangcheng Road,Nanchang Community, Xixiang Street, Bao’an District, Shenzhen, Guangdong, China Applicant’s name ........................... : Acer Gadget Inc. Address ............................................ : 24F., No.112, Sec. 1, Xintai 5th Rd., Xizhi Dist., New Taipei city 221, Taiwan…

Text truncated - open the document above for the full version.