2A2P5-OHR834Neckband Bluetooth Headphones

OHR834 Neckband Bluetooth Headphones User Manual Product structure diagram 1.Function Key(Touch) 2.Headphone Indicator Light 3.Charging port 3 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. 英语English Preface Thank you for choosing Acer products. For optimal performance, please read this manual carefully before use. Power On/Off Power On: Touch and hold the earphone for 3 seconds. Power Off: Touch and hold the earphone for 5 seconds. Connection Instructions After powering on, the device will automatically reconnect to the previously paired phone; you may disconnect it manually in your phone’s Bluetooth menu. Auto-reconnect requires phone compatibility —if it fails, short press the power key to reconnect, and the device will auto power off if left unpaired or disconnected for 5 minutes. Call Control Answer Call: Single-click the POWER key once.End Call: Double-click the POWER key.Reject Call: Touch and hold the POWER key for 2 seconds. Playback Control Play Music: Single-click the POWER key.Pause Music: Single-click the POWER key.Previous Track: Triple-click the POWER key.Next Track: Double- click the POWER key. Track Control Previous track: Triple-click the POWER key.Next track: Double-click the POWER key. Special Modes Voice assistant: Long press the POWER key for 2 seconds.Low battery alert: The earphone will prompt low battery when the battery voltage drops to 3.3V. 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-20 KHz Maximum Radio-Frequency Power : 5.32 dBm Safety Instructions： 1. Before first use, pleas e fully charge the product. 2. This product is not a toy. Children under 12 years old must use it under adult supervision. 3. Pleas e 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 devic es. 9. Dispose of waste electronic products in accordanc e with local regulations. Do not discard electronic equipment, components or batteries with domestic garbage. 英语English Vorwort Vielen Dank, dass Sie sich für Produkte von Acer entschieden haben. Lesen Sie dieses Handbuch vor der Verwendung bitte sorgfältig durch, um eine optimale Leistung zu gewährleisten. Ein-/Ausschalten Einschalten: Berühren und halten Sie den Kopfhörer 3 Sekunden lang. Ausschalten: Berühren und halten Sie den Kopfhörer 5 Sekunden lang. Verbindungsanweisungen Nach dem Einschalten verbindet sich das Gerät automatisch wieder mit dem zuvor gekoppelten Telefon; Sie können die Verbindung manuell im Bluetooth- Menü Ihres Telefons trennen. Die automatische Wiederverbindung erfordert eine Kompatibilität mit dem Telefon. Falls die automatische Verbindung fehlschlägt, drücken Sie kurz die Einschalttaste, um erneut zu verbinden. Bleibt das Gerät 5 Minuten lang ungekoppelt oder getrennt, schaltet es sich automatisch aus. Anrufsteuerung Anruf annehmen: Einmal kurz die Einschalttaste drücken. Anruf beenden: Zweimal kurz die Einschalttaste drücken. Anruf ablehnen: Einschalttaste 2 Sekunden lang gedrückt halten. Wiedergabesteuerung Musik abspielen: Einmal kurz die Einschalttaste drücken. Musik pausieren: Einmal kurz die Einschalttaste drücken. Vorheriger Titel: Dreimal kurz die Einschalttaste drücken. Nächster Titel: Zweimal kurz die Einschalttaste drücken. Titelsteuerung Vorheriger Titel: Dreimal kurz die Einschalttaste drücken. Nächster Titel: Zweimal kurz die Einschalttaste drücken. Spezielle Modi Sprachassistent: Einschalttaste 2 Sekunden lang gedrückt halten. Niedrigakkualarm: Der Kopfhörer gibt einen Warnhinweis bei einer Batteriespannung von 3,3V. 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: 5.32 dBm 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 das Ladekabel sofort heraus, wenn die Ladebox vollständig geladen ist, um eine Beschädigung des Akkus durch Dauerladen zu vermeiden. Die Ladebox ist mit einem Type-C-Anschluss ausgestattet. 5. Dieses Produkt enthält einen Lithium-Akku. Bei längerer Nichtverwendung laden Sie es mindestens einmal monatlich auf. 6. Stellen Sie bei Bluetooth-Verbindung eine angemessene Lautstärke ein, um Hörschäden durch dauerhaft hohe Lautstärke zu vermeiden. 7. Dieses Produkt enthält magnetische Materialien. Halten Sie es während Nutzung und Aufbewahrung von Geräten mit starkem Magnet-oder Elektrofeld wie Mikrowellen und Kühlschränk…

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Shenzhen HTT Technology Co., Ltd. Report No.: HTT202607002 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 4 Product Name: Neckband Bluetooth Headphones Model No.: OHR834 EUT Constructional Details External Photo Report No.: HTT202607002 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 4 Report No.: HTT202607002 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 4 Report No.: HTT202607002 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 4 ------End------

Label and Location Size: L: 1.0cm*W: 0.5cm v Label and Location FCC ID : 2A2P5-OHR834

Shenzhen HTT Technology Co., Ltd. Report No.: HTT202607002 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 2 Product Name: Neckband Bluetooth Headphones Model No.: OHR834 EUT Constructional Details Left side Photo Report No.: HTT202607002 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 2 ------End------ ANTENNA

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 8 RF Exposure evaluation Report Reference No. ..................... : FCC ID............................................. : HTT202607002F02 2A2P5-OHR834 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 .................................... : Jul. 07, 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 ..................... : Neckband Bluetooth Headphones Manufacturer .................................... : Acer Gadget Inc. Trade Mark ........................................ Acer Model/Type reference ...................... : OHR834 Rating ............................................... : DC 3.7V From Battery and DC 5V From External Circuit Result ............................................... : PASS Report No.: HTT202607002F02 Page 2 of 8 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 8 T E S T R E P O R T Equipment under Test : Neckband Bluetooth Headphones Model /Type : OHR834 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.: HTT202607002F02 Page 3 of 8 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 8 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 8 4.5 Simultaneous Transmission for SAR Exclusion 8 5 C O N C L U S I O N 8 Report No.: HTT202607002F02 Page 4 of 8 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 8 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.: HTT202607002F02 Page 5 of 8 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 8 2 S U M M A R Y 2.1 General Remarks Date of receipt of test sample : Jun. 30, 2026 Testing commenced on : Jun. 30, 2026 Testing concluded on : Jul. 07, 2026 2.2 Product Description Product description: Neckband Bluetooth Headphones Model/Type reference: OHR834 Power supply: DC 3.7V From Battery and DC 5V From External Circuit 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： HTT202607002-1# (Engineer sample) HTT202607002-2# (Normal sample) Hardware version: / Software version: / Bluetooth : Supported Type: Bluetooth BR/EDR Modulation: GFSK, π/4DQPSK, 8DPSK Operation frequency: 2402MHz~2480MHz Channel number: 79 Channel separation: 1MHz Antenna type: Chip Antenna Antenna gain: 2.70 dBi 2.3 Special Accessories The following is the EUT test of the auxiliary equipment provided by the laboratory: Description Manufacturer Model Technical Parameters Certificate Provided by / / / / / / 2…

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2.4GHz3216ChipAntenna:RANT3216F245C03 _ Application: WLAN,802.11b/g,Bluetooth,WLAN,etc... Features SMD,highreliability,ultraImpact,Omni-directional... PartnumberInformation RANT3216F245C03 (A)(B)(C)(D)(E)(F) ElectricalSpecification ThespecificationisdefinedonEVB. DimensionandTerminalConfiguration No.TerminalName 1Feeding/GNG 2GND/Feeding (A)ProductTypeChipAntenna (B)SizeCode 3.2x1.6mm( ± 0.2mm) (C)MaterialHighKmaterial (D)Frequency2.4~2.5GHz (E)FeedingmodePIFA&SingleFeeding (F)AntennatypeType=03 WorkingFrequencyRange2400~2500MHz Bandwidth120MHz(Min.) PeakGain2.7dBi(Typ.) Impedance50Ohm Returnloss10dB(Min) PolarizationLinear AzimuthBeamwidthOmni-directional OperationTemperature( °C )-40~85 °C ResistancetoSolderingHeats 10sec.(@280 °C ) TerminationNi/Au(Leadless) Dimension(mm) L 3.20 ± 0.20 W 1.60±0.20 T 0.45±0.20 咏成國際科技有限公司電話:13530576606 RAINInternationalTechnologyCo.,Ltd. Room 707, Building F, Tongan Zhichuangyuan, xixiang street, Baoan District,Shenzhen. 2.4GHz3216ChipAntenna:RANT3216F245C03 _ 1 EvaluationBoardReference 长条板PCB 推荐 Dimension 圆板AntennaLayoutReference Unit:mm ElectricalCharacteristics ReturnLoss&Radiation ReturnLoss Frequency(MHz) S11(dB) 2400-10.50 2450-30.62 2500-11.47 Radiation 2400MHz2450MHz2500MHz Efficiency82.52%85.26%83.01% X Y Z 2.4GHz3216ChipAntenna:RANT3216F245C03 _ TapingSpecifications ReelandTapingSpecification ReelSpecification TYPESIZEABCD 32167”5K/Reel 9.0±0.5 60±213.5±0.5178±2 TappingSpecification PackagingTypeABWEFGHTψDP PaperType3216 1.90±0.2 0 3.50±0.2 0 8.0±0.2 0 1.75±0.1 0 3.5±0.054.0±0.102.0±0.050.75±0.1 0 1.50±0.1 0 4.0±0.1 2.4GHz3216ChipAntenna:RANT3216F245C03 _ ReliabilityTable TestItemProcedure Requirements CeramicType Remark (Reference) Electrical Characterization Fulfilltheelectrical specification UserSpec. Thermal Shock 1.Preconditioning: 50±10°C/1hr,thenkeepfor24±1hrsatroomtemp. 2.Initialmeasure:Spec:referInitialspec. 3.Rapidchangeoftemperaturetest: -30°Cto+85°C;100cycles; 15minutesatLowercategorytemperature; 15minutesatUppercategorytemperature. NoVisibleDamage. Fulfilltheelectrical specification. MIL-STD-202 107 Temperature Cycling 1.Initialmeasure:Spec:referInitialspec. 2.100Cycles(-30°Cto+85°C),SoakMode=1(2Cycle/hours). 3.Measurementat24±2Hoursaftertestcondition. NoVisibleDamage. Fulfilltheelectrical specification. JESD22 JA104 HighTemperature Exposure 1.Initialmeasure:Spec:referInitialspec. 2.Unpowered;500hours@T=+85°C. 3.Measurementat24±2hoursaftertest. NoVisibleDamage. Fulfilltheelectrical specification. MIL-STD-202 108 LowTemperature Storage 1.Initialmeasure:Spec:referInitialspec. 2.Unpowered:500hours@T=-30°C. 3.Measurementat24±2hoursaftertest. NoVisibleDamage. Fulfilltheelectrical specification. MIL-STD-202 108 Solderability (SMDBottomSide) Dippingmethod: a.Temperature:235±5°C b.Dippingtime:3±0.5s Thesoldershouldcover over95%ofthecritical areaofbottomside. IEC60384-21/22 4.10 SolderingHeat Resistance (RSH) Preheatingtemperature:150±10°C. Preheatingtime:1~2min. Soldertemperature:260±5°C. Dippingtime:5±0.5s NoVisibleDamage.IEC60384-21/22 4.10 Vibration5g'sfor20min.,12cycleseachof3orientations Note:Use8"X5"PCB.031"thick7securepointson,onelong sideand2securepointsatcornersofoppositesides.Parts mountedwithin2"fromanysecurepoint.Testfrom10-2000 Hz. NoVisibleDamage.MIL-STD-202 Method204 Mechanical Shock Threeshocksineachdirectionshallbeappliedalongthethree mutuallyperpendicularaxesofthetestspecimen(18shocks) Peakvalue:1,500g’s Duration:0.5ms Velocitychange:15.4ft/s Waveform:Half-sine NoVisibleDamage.MIL-STD-202 Method213 Humidity Bias 1.Humidity:85%R.H.,Temperature:85±2°C. 2.Time:500±24hours. 3.Measurementat24±2hrsaftertestcondition. NoVisibleDamage. Fulfilltheelectrical specification. MIL-STD-202 Method106 2.4GHz3216ChipAntenna:RANT3216F245C03 _ Board Flex (SMD) 1.Mountingmethod: IR-Reflow.PCBSize(L:100×W:40×T:1.6mm) 2.Applytheloadindirectionofthearrowuntilbendingreaches 2mm. NoVisibleDamage.AEC-Q200 005 AdhesionForceof1.8Kgfor60seconds.NoVisibleDamage Magnificationof20Xor greatermaybeemployed forinspectionofthe mechanicalintegrityofthe devicebodyterminalsand body/terminaljunction. AEC-Q200 006 Physical Dimension Anyapplicablemethodusingx10magnification,micrometers, calipers,gauges,contourprojectors,orothermeasuring equipment,capableofdeterminingtheactualspecimen dimensions. Inaccordancewith specification. JESD22 JB100 RevisionHistory RevisionDateContent 12019/03/01NewDatasheet 22020/02/22Add2Dradiationcharacteristic 32020/02/22Add2Dradiationcharacteristic

1 Appendix RF Test Data for BT Company: : Acer Gadget Inc. EUT : Neckband Bluetooth Headphones FCC ID: : 2A2P5-OHR834 Model Number : OHR834 Report No. : HTT202607002F01 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 2.915 3.751 77.71 1.10 0.03 2441 DH5 2.913 3.749 77.70 1.10 0.04 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 0.04 2441 2DH5 2.920 3.750 77.87 1.09 0.03 2480 2DH5 2.920 3.751 77.85 1.09 0.04 8DPSK SISO 2402 3DH5 2.924 3.751 77.95 1.08 0.03 2441 3DH5 2.924 3.751 77.95 1.08 0.03 2480 3DH5 2.922 3.749 77.94 1.08 0.01 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 0.866 / Pass 2441 DH5 1 0.859 / Pass 2480 DH5 1 0.860 / Pass Pi/4DQPSK SISO 2402 2DH5 1 1.173 / Pass 2441 2DH5 1 1.171 / Pass 2480 2DH5 1 1.168 / Pass 8DPSK SISO 2402 3DH5 1 1.179 / Pass 2441 3DH5 1 1.193 / Pass 2480 3DH5 1 1.187 / 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 0.925 / Pass 2441 DH5 1 0.926 / Pass 2480 DH5 1 0.930 / Pass Pi/4DQPSK SISO 2402 2DH5 1 1.284 / Pass 2441 2DH5 1 1.315 / Pass 2480 2DH5 1 1.283 / Pass 8DPSK SISO 2402 3DH5 1 1.304 / Pass 2441 3DH5 1 1.292 / Pass 2480 3DH5 1 1.291 / 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 Mode TX Type Frequency (MHz) Packet Type Maximum Peak Conducted Output Power (dBm) Verdict ANT1 Limit GFSK SISO 2402 DH5 1.85 <=30 Pass 2441 DH5 -0.04 <=30 Pass 2480 DH5 -1.91 <=30 Pass Pi/4DQPSK SISO 2402 2DH5 2.50 <=20.97 Pass 2441 2DH5 0.70 <=20.97 Pass 2480 2DH5 -1.18 <=20.97 Pass 8DPSK SISO 2402 3DH5 2.89 <=20.97 Pass 2441 3DH5 1.10 <=20.97 Pass 2480 3DH5 -0.74 <=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 0.996 0.930 >=0.93 Pass Pi/4DQPSK SISO HOPP 2DH5 1.003 1.315 >=0.877 Pass 8DPSK SISO HOPP 3DH5 0.996 1.304 >=0.869 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 0.414 31.600 320 132.480 <=400 Pass DH3 1.672 31.600 171 285.912 <=400 Pass DH5 2.920 31.600 107 312.440 <=400 Pass Pi/4DQPSK SISO HOPP 2DH1 0.422 31.600 320 135.040 <=400 Pass 2DH3 1.674 31.600 170 284.580 <=400 Pass 2DH5 2.924 31.600 105 307.020 <=400 Pass 8DPSK SISO HOPP 3DH1 0.426 31.600 320 136.320 <=400 Pass 3DH3 1.680 31.600 163 273.840 <=400 Pass 3DH5 2.926 31.600 106 310.156 <=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 1.30 2441 DH5 1 -0.82 2480 DH5 1 -2.57 HOPP DH5 1 0.88 0.88 Pi/4DQPSK SISO 2402 2DH5 1 1.07 2441 2DH5 1 -0.71 2480 2DH5 1 -2.58 HOPP 2DH5 1 0.86 0.86 8DPSK SISO 2402 3DH5 1 0.70 2441 3DH5 1 -0.78 2480 3DH5 1 -2.77 HOPP 3DH5 1 0.29 0.29 7.1.2 CSE Mode TX Type Frequency (MHz) Packet Type ANT Level of Reference (dBm) Limit (dBm) Verdict GFSK SISO 2402 DH5 1 1.30 -18.70 Pass 2441 DH5 1 -0.82 -20.82 Pass 2480 DH5 1 -2.57 -22.57 Pass HOPP DH5 1 0.88 -19.12 Pass 0.88 -19.12 Pass Pi/4DQPSK SISO 2402 2DH5 1 1.07 -18.93 Pass 2441 2DH5 1 -0.71 -20.71 Pass 2480 2DH5 1 -2.58 -22.58 Pass HOPP 2DH5 1 0.86 -19.14 Pass 0.86 -19.14 Pass 8DPSK SISO 2402 3DH5 1 0.70 -19.30 Pass 2441 3DH5 1 -0.78 -20.78 Pass 2480 3DH5 1 -2.77 -22.77 Pass HOPP 3DH5 1 0.29 -19.71 Pass 0.29 -19.71 Pass 37 7.2 Test Graph 7.2.1 Ref GFSK_DH5_LCH_2402MHz_Ant1_NTNV GFSK_DH5_MCH_2441MHz_Ant1_NTNV 38 GFSK_DH5_HCH_248…

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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. ........................................... : HTT202607002F01 2A2P5-OHR834 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 .................................... : Jul. 07, 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 Test specification ........................... : Standard ........................................... : FCC Part 15.247 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 ..................... : Neckband Bluetooth Headphones Trade Mark ....................................... : Acer Manufacturer .................................. : Acer Gadget Inc. Model/Type reference ...................... : OHR834 Listed Models ................................... : N/A Modulation ....................................... : GFSK, Π/4DQPSK, 8DPSK Frequency ......................................... From 2402MHz to 2480MHz Ratings ............................................. : DC 3.7V From Battery and DC 5V From External Circuit Result ............................................... : PASS Report No.: HTT202607002F01 Page 2 of 37 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 T E S T R E P O R T Equipment under Test : Neckband Bluetooth Headphones Model /Type : OHR834 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.: HTT202607002F01 Page 3 of 37 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 Contents 1 TEST STANDARDS .......................................................................................................................................... 4 2 SUMMARY ........................................................................................................................................................ 5 2.1 General Remarks .................................................................................................................................... 5 2.2 Product Description ................................................................................................................................. 5 2.3 Equipment Under Test ............................................................................................................................ 5 2.4 Short description of the Equipment under Test (EUT) ............................................................................ 5 2.5 EUT configuration .................................................................................................................................... 6 2.6 EUT operation mode ............................................................................................................................... 6 2.7 Block Diagram of Test Setup .................................................................................................................. 6 2.8 Related Submittal(s) / Grant (s) .............................................................................................................. 6 2.9 Modifications ........................................................................................................................................... 6 3 TEST ENVIRONMENT ...................................................................................................................................... 7 3.1 Address of the test laboratory .......................................................…

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