2A2P5-OHR837Over-Ear Headphones

OHR837 Over-Ear Headphones User Manual Product structure diagram 1.Multi-function key 2.Volume + Key 3.Volume – Key 4.Pause Key 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. 4 英语English Preface Thank you for purchasing an Acer product. For best results, please read this manual carefully before use. Switch on/off Long press the multifunction key for 3 seconds to power on; long press the multifunction key for 5 seconds to power off. Connection Operation W ireless Connection:Open the W ireless Settings page of Settings to search and operate. Answer/hang up/refuse to answer the phone Single click the pause key to answer incoming calls or end ongoing calls. Triple click the pause key to reject incoming calls. Play/Pause Single click the pause key to play or pause music playback. Volume control Single tap "+" key to turn volume up; single tap "-" key to turn volume down. Track switching Long press "+" key for 2 seconds to switch to the previous track; long press "-" key for 2 seconds to switch to the next track. Special mode Voice assistant: Long press pause key for 3 seconds to activate voice assistant. 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 : 5.91 dBm 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 Halten Sie die Multifunktionstaste 3 Sekunden gedrückt, um das Gerät einzuschalten; halten Sie die Multifunktionstaste 5 Sekunden gedrückt, um es auszuschalten. Verbindungsvorgang Drahtlose Verbindung: Öffnen Sie die Seite für Drahtlosverbindungen in den Einstellungen, um zu suchen und die Verbindung herzustellen. Anruf annehmen/beenden/ablehnen Einmal tippen auf die Pausetaste, um eingehende Anrufe anzunehmen oder laufende Anrufe zu beenden. Dreimal tippen auf die Pausetaste, um eingehende Anrufe abzulehnen. Wiedergabe/Pause Einmal tippen auf die Pausetaste, um die Musik abzuspielen oder anzuhalten. Lautstärkeregelung Einmal tippen auf die „+“-Taste zum Erhöhen der Lautstärke; einmal tippen auf die „−“-Taste zum Verringern der Lautstärke. Titelwechsel Halten Sie die „+“-Taste 2 Sekunden gedrückt, um zum vorherigen Titel zu wechseln; halten Sie die „−“-Taste 2 Sekunden gedrückt, um zum nächsten Titel zu wechseln. Spezialmodus Sprachassistent: Halten Sie die Pausetaste 3 Sekunden gedrückt, um den Sprachassistenten 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: 5.91 dBm Sicherheitsanweisungen 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 Kühlschränken fern. 8. Vor Reinigung und W artung beenden Sie die Nutzung, schließen Sie alle Anwendungen und trennen Sie alle Verbindungen und Kabel zu anderen Geräten. 9. Entsorgen Sie Altgeräte gemäß örtlichen Gesetzen. W erfen Sie Elektrogeräte, Bauteile und Batterien nicht in den Hausmüll. 德语Deutsch Forord Tak, fordi du har købt et Acer-produkt. For at opnå de bedste resultater bør du læse denne vejledning grundigt, inden du tager produktet i brug. Tænd/sluk Tryk og hold multifunktionsknappen i 3 sekunder for at tænde; tryk og hold multifunktionsknappen i 5 sekunder for at slukke. Forbindelsesprocedure Tr…

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Shenzhen HTT Technology Co., Ltd. Report No.: HTT202608376 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: Over-Ear Headphones Model No.: OHR837 EUT Constructional Details External Photo Report No.: HTT202608376 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.: HTT202608376 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.: HTT202608376 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 Label and Location FCC ID : 2A2P5-OHR837

Shenzhen HTT Technology Co., Ltd. Report No.: HTT202608376 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: Over-Ear Headphones Model No.: OHR837 Internal Photos of the EUT Internal Photo Report No.: HTT202608376 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............................................. : HTT202608376F02 2A2P5-OHR837 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 .................................... : Aug. 18, 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 ..................... : Over-Ear Headphones Manufacturer .................................... : Acer Gadget Inc. Trade Mark ........................................ Acer Model/Type reference ...................... : OHR837 Rating ............................................... : DC 3.7V From Battery and DC 5V From External Circuit Result ............................................... : PASS Report No.: HTT202608376F02 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 : Over-Ear Headphones Model /Type : OHR837 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.: HTT202608376F02 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.: HTT202608376F02 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.: HTT202608376F02 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 : Aug. 13, 2026 Testing commenced on : Aug. 13, 2026 Testing concluded on : Aug. 18, 2026 2.2 Product Description Product description: Over-Ear Headphones Model/Type reference: OHR837 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： HTT202608376-1# (Engineer sample) HTT202608376-2# (Normal sample) Hardware version: / Software version: / Bluetooth : Supported Type: Bluetooth BR/EDR Modulation: GFSK, π/4DQPSK Operation frequency: 2402MHz~2480MHz Channel number: 79 Channel separation: 1MHz Antenna type: PCB Antenna Antenna gain: -0.58 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 / / / / / / 2.4 Modifications No modifications wer…

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1 Appendix RF Test Data for BT Company: : Acer Gadget Inc. EUT : Over-Ear Headphones FCC ID: : 2A2P5-OHR837 Model Number : OHR837 Report No. : HTT202608376F01 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 2.893 3.750 77.15 1.13 0.03 2441 DH5 2.893 3.750 77.15 1.13 0.03 2480 DH5 2.893 3.751 77.13 1.13 0.04 Pi/4DQPSK SISO 2402 2DH5 2.899 3.751 77.29 1.12 0.06 2441 2DH5 2.899 3.750 77.31 1.12 0.01 2480 2DH5 2.898 3.749 77.30 1.12 0.03 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 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 0.851 / Pass 2441 DH5 1 0.852 / Pass 2480 DH5 1 0.856 / Pass Pi/4DQPSK SISO 2402 2DH5 1 1.178 / Pass 2441 2DH5 1 1.193 / Pass 2480 2DH5 1 1.188 / 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 0.882 / Pass 2441 DH5 1 0.883 / Pass 2480 DH5 1 0.883 / Pass Pi/4DQPSK SISO 2402 2DH5 1 1.307 / Pass 2441 2DH5 1 1.284 / Pass 2480 2DH5 1 1.259 / Pass 7 2.2 Test Graph 2.2.1 OBW GFSK_DH5_LCH_2402MHz_Ant1_NTNV GFSK_DH5_MCH_2441MHz_Ant1_NTNV 8 GFSK_DH5_HCH_2480MHz_Ant1_NTNV Pi/4DQPSK_2DH5_LCH_2402MHz_Ant1_NTNV 9 Pi/4DQPSK_2DH5_MCH_2441MHz_Ant1_NTNV Pi/4DQPSK_2DH5_HCH_2480MHz_Ant1_NTNV 10 2.2.2 20dB BW GFSK_DH5_LCH_2402MHz_Ant1_NTNV GFSK_DH5_MCH_2441MHz_Ant1_NTNV 11 GFSK_DH5_HCH_2480MHz_Ant1_NTNV Pi/4DQPSK_2DH5_LCH_2402MHz_Ant1_NTNV 12 Pi/4DQPSK_2DH5_MCH_2441MHz_Ant1_NTNV Pi/4DQPSK_2DH5_HCH_2480MHz_Ant1_NTNV 13 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 -1.97 <=30 Pass 2441 DH5 -0.73 <=30 Pass 2480 DH5 -0.29 <=30 Pass Pi/4DQPSK SISO 2402 2DH5 -1.02 <=20.97 Pass 2441 2DH5 0.22 <=20.97 Pass 2480 2DH5 0.66 <=20.97 Pass 14 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 0.998 0.883 >=0.883 Pass Pi/4DQPSK SISO HOPP 2DH5 1.015 1.307 >=0.871 Pass 15 4.2 Test Graph 4.2.1 Ant1 GFSK_DH5_HOPP_Ant1_NTNV Pi/4DQPSK_2DH5_HOPP_Ant1_NTNV 16 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 17 5.2 Test Graph 5.2.1 HoppNum GFSK_DH5_HOPP_Ant1_NTNV Pi/4DQPSK_2DH5_HOPP_Ant1_NTNV 18 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 0.394 31.600 319 125.686 <=400 Pass DH3 1.650 31.600 158 260.700 <=400 Pass DH5 2.898 31.600 112 324.576 <=400 Pass Pi/4DQPSK SISO HOPP 2DH1 0.396 31.600 318 125.928 <=400 Pass 2DH3 1.646 31.600 155 255.130 <=400 Pass 2DH5 2.902 31.600 100 290.200 <=400 Pass 19 6.2 Test Graph 6.2.1 Ant1 GFSK_DH1_HOPP_Ant1_NTNV GFSK_DH1_HOPP_Ant1_NTNV 20 GFSK_DH3_HOPP_Ant1_NTNV GFSK_DH3_HOPP_Ant1_NTNV 21 GFSK_DH5_HOPP_Ant1_NTNV GFSK_DH5_HOPP_Ant1_NTNV 22 Pi/4DQPSK_2DH1_HOPP_Ant1_NTNV Pi/4DQPSK_2DH1_HOPP_Ant1_NTNV 23 Pi/4DQPSK_2DH3_HOPP_Ant1_NTNV Pi/4DQPSK_2DH3_HOPP_Ant1_NTNV 24 Pi/4DQPSK_2DH5_HOPP_Ant1_NTNV Pi/4DQPSK_2DH5_HOPP_Ant1_NTNV 25 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 -2.18 2441 DH5 1 -0.92 2480 DH5 1 -0.50 HOPP DH5 1 -0.86 -0.86 Pi/4DQPSK SISO 2402 2DH5 1 -2.16 2441 2DH5 1 -0.94 2480 2DH5 1 -0.55 HOPP 2DH5 1 -0.74 -0.74 7.1.2 CSE Mode TX Type Frequency (MHz) Packet Type ANT Level of Reference (dBm) Limit (dBm) Verdict GFSK SISO 2402 DH5 1 -2.18 -22.18 Pass 2441 DH5 1 -0.92 -20.92 Pass 2480 DH5 1 -0.50 -20.50 Pass HOPP DH5 1 -0.86 -20.86 Pass -0.86 -20.86 Pass Pi/4DQPSK SISO 2402 2DH5 1 -2.16 -22.16 Pass 2441 2DH5 1 -0.94 -20.94 Pass 2480 2DH5 1 -0.55 -20.55 Pass HOPP 2DH5 1 -0.74 -20.74 Pass -0.74 -20.74 Pass 26 7.2 Test Graph 7.2.1 Ref GFSK_DH5_LCH_2402MHz_Ant1_NTNV GFSK_DH5_MCH_2441MHz_Ant1_NTNV 27 GFSK_DH5_HCH_2480MHz_Ant1_NTNV GFSK_DH5_HOPP_Ant1_NTNV 28 GFSK_DH5_HOPP_Ant1_NTNV Pi/4DQPSK_2DH5_LCH_2402MHz_Ant1_NTNV 29 Pi/4DQPSK_2DH5_MCH_2441MHz_Ant1_NTNV Pi/4DQPSK_2DH5_HCH_2480MHz_Ant1_NTNV 30 Pi/4DQPSK_2DH5_HOPP_Ant1_NTNV Pi/4DQPSK_2DH5_HOPP_Ant1_NTNV 31 7.2.2 CSE GFSK_DH5_LCH_2402MHz_Ant1_NTNV GFSK_DH5_LCH_2402MHz_Ant1_NTNV 32 GFSK_DH5_MCH_2441MHz_Ant1_NTNV GFSK_DH5_HCH_2480MHz_Ant1_NTNV 33 GFSK_DH5_HCH_2480MHz_Ant1_NTNV GFSK_DH5_HOPP_Ant1_NTNV 34 GFSK_DH5_HOPP_Ant1_NTNV Pi/4DQPSK_2DH5_LCH_2402MHz_Ant1_NTNV 35 Pi/4DQPSK_2DH5_LCH_2402MHz_Ant1_NTNV Pi/4DQPSK_2DH5_MCH_2441MHz_Ant1_NTNV 36 Pi/4DQPSK_2DH5_HCH_2480MHz_Ant1_NTNV Pi/4DQPSK_2DH5_HCH_2480MHz_Ant1_NTNV 37 Pi/4DQPSK_2DH5_HOPP_Ant1_NTNV Pi/4DQPSK_2DH5_HOPP_Ant1_NTNV

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. ........................................... : HTT202608376F01 2A2P5-OHR837 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 .................................... : Aug. 18, 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 ..................... : Over-Ear Headphones Trade Mark ....................................... : Acer Manufacturer .................................. : Acer Gadget Inc. Model/Type reference ...................... : OHR837 Listed Models ................................... : N/A Modulation ....................................... : GFSK, Π/4DQPSK Frequency ......................................... From 2402MHz to 2480MHz Ratings ............................................. : DC 3.7V From Battery and DC 5V From External Circuit Result ............................................... : PASS Report No.: HTT202608376F01 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 : Over-Ear Headphones Model /Type : OHR837 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.: HTT202608376F01 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 ................................................................................................................. 7 3.2 Test Facility ............................................................................................................................................. 7 3.3 Environmental conditions ........................................................................................................................ 7 3.4 Summary of measurement results .......................................................................................................... 8 3.5 Statement of the measurement uncertainty ...…

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Inverted F Antenna Specification Summary ITEMANT SPEC Model Name 2.4G ANT HorizontalVertical 2400MHz2500MHz2500MHz2400MHz Center Frequency -1.86-2.46-5.25-0.58-0.76-1.26 MAX. Gain -0.58dBi PolarizationHorizontal and Vertical Azimuth Beam Pattern Omni-directional Impedance50 Ohm Antenna Length 38.20mm Manufacture ZHUHAI JIELI TECHNOLOGY CO.,LTD Antenna Photo & Length (mm) Zhuhai Jieli Technology Co., Ltd.No. 333 Kexing Road, Xiangzhou DistrictZhuhai, Guangdong 519060 P.R.China Manufacture 2450MHz2450MHz Horizontal: 2400 MHz 2450 MHz 2500 MHz Power (dBm) Max: 0 Min: -40 Scale: 5/div Gain(dBi) Frequency (MHz) MaxMinAvg 2400-1.26174-30.0801-7.18716 2450-0.765802-36.5604-7.48023 2500-0.585582-22.0315-6.59127 Vertical: 2400 MHz 2450 MHz 2500 MHz Power (dBm) Max: 0 Min: -30 Scale: 5/div Frequency Gain(dBi) (MHz) Max Min Avg 2400 -5.2537 -22.1424 -12.4294 2450 -2.4652 -24.5837 -10.4702 2500 -1.86120 -29.5214 -9.20432 ANT Test Labs：Attestation of Global Compliance Co., Ltd.

Shenzhen HTT Technology Co., Ltd. Report No.: HTT202608376 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: Over-Ear Headphones Model No.: OHR837 Test Setup Photo Radiated Emission Report No.: HTT202608376 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 Conducted Emission RF Test ------End------