2AUKD-JH20Wireless Headphones

Dongguan Shangyuan Electronics Co., Ltd Covered Equipment Certification Attestation Letter DATE Federal Communications Commission Authorization and Evaluation Division 7435 Oakland Mills Road Columbia, MD 21046 USA ATTN.: Reviewing Engineer FCC ID: 2AUKD-JH20 Dongguan Shangyuan Electronics Co., Ltd (“the applicant”) certifies that the equipment for which authorization is sought is not “covered” equipment prohibited from receiving an equipment authorization pursuant to section 2.903 of the FCC rules. Note: If the equipment for which the applicant seeks authorization is produced by any of the entities identified on the current Covered List, the applicant should include an explanation on why the equipment is not “covered” equipment. Dongguan Shangyuan Electronics Co., Ltd (“the applicant”) certifies that, as of the date of the filing of the application, the applicant is not identified on the Covered List (as a specifically named entity or any of its subsidiaries or affiliates) as an entity producing “covered” equipment. Dongguan Shangyuan Electronics Co., Ltd (“the applicant”) certifies that the equipment for which authorization is sought does not include cybersecurity or anti-virus software produced or provided by Kaspersky Lab, Inc. or any of its successors and assignees, including equipment with integrated Kaspersky Lab, Inc. (or any of its successors and assignees) cybersecurity or anti-virus software pursuant to DA-24-886 and KDB 986446 D01 Covered Equipment Guidance section B(2a). Signed: Printed name: Mia Long Title: Manager Company Name: Dongguan Shangyuan Electronics Co., Ltd Date: 09/17/2025

Dongguan Shangyuan Electronics Co., Ltd * the applicant must designate a contact located in the United States for purposes of acting as the appl icant’s agent for service of process, regardless of whether the applicant is a domestic or forei gn ent ity. An applicant located in the United States may designate itself as the agent for service of process. U.S. Agent Designation for Service of Process - Certification Attestation Letter 9/17/2025 TO : Federal Communications Commission 7435 Oakland Mills Road Columbia, MD 21046 ATTN.: Reviewing Engineer FCC ID: 2AUKD-JH20 FRN of applicant: 0028805893 Per section 2.911(d)(7) of the FCC rules, [ Dongguan Shangyuan Electronics Co., Ltd] (“the applicant”) certifies that the equipment for which authorization is sought is designated to the following U.S. agent* for service of process: C ompany Name: FCC US Agent, LLC FCC Registration Number (FRN): 0033402884 Physical U.S. Company Address: 3722 Illinois Avenue, Saint Charles, IL 60174, USA Contact Person: Tim Payne Agent Email Address: [email protected] The abov e contact person accepts the obligation for service of process. The appl icant accepts to maintain an agent for no less than one year after the grantee has terminated all marketing and importation or the conclusion of any Commission-related proceeding involving the equipment. A pplicant Signed: Agent Signed (if different from Applicant): Signed: Printed name: Mia Long Title: Manager Company Name: Dongguan Shangyuan Electronics Co., Ltd Date: 9/17/2025 S igned: Printed name: Tim Payne Title: Manager Company Name: FCC US Agent, LLC Date: 9/17/2025

DATE 09/17/2025 Equipment Autorisation Division Federal Communications Commission 7435 Oakland Mills Road Columbia, MD 21046 FCC ID: ___ 2AUKD-JH20 ______ Product Name: ___ Wireless Headphones___ Request for Confidentiality Pursuant to Sections 0.457 and 0.459 of the commission’s rules, we hereby request that the following documents be held confidential: (List here the documents for which you are seeking confidentiality – for example ...) • Schematics • Block diagram • Operation description These materials contain trade secrets and proprietary information and are not customarily released to the public. The public disclosure of this information might be harmful to the company and provide unjustified benefits to our competitors. Signed: Printed name: Mia Long Title: Manager Company Name: Dongguan Shangyuan Electronics Co., Ltd Date: 09/17/2025

DATE : 09/17/2025 Equipment Autorisation Division Federal Communications Commission 7435 Oakland Mills Road Columbia, MD 21046 FCC ID: 2AUKD-JH20 Product Name: Wireless Headphones Request for Short-Term Confidentiality Pursuant to Sections 0.457 and 0.459 of the commission rules, and in accordance with the FCC Public notice dated June 15, 2004 (DA 04-1705), we hereby request short-term confidentiality for the following items prior to marketing the device.:  Test Setup Photos  External Photos  Internal Photos  User Manual The applicant requests the exhibits selected above as short term confidential be withheld from public view for a period of 180 days from the date of the Grant of Equipment Authorization and prior to marketing. This is to avoid premature release of sensitive information prior to marketing or release of the product to the public. Signed: Printed name: Mia Long Title: Manager Company Name: Dongguan Shangyuan Electronics Co., Ltd Date: 09/17/2025

DATE: 09/17/2025 Federal Communications Commission Authorization & Evaluation Division 7345 Oakland Mills Road Columbia, Maryland 21046 Authority to Act as Agent On our behalf, I appoint Shenzhen EU Testing Laboratory Limited (101, Building B1, Fuqiao Fourth Area, Qiaotou Community Fuhai Subdistrict Baoan District,Shenzhen,China) (Name of Agent company name and address) to act as our agent in the preparation of this application for equipment certification. I certify that submitted documents properly describe the device or system for which equipment certification is sought. I also certify that each unit manufactured, imported or marketed, as defined in the Federal Communications Commission’s regulations will have affixed to it a label identical to that submitted for approval with this application. For instances where our authorized agent signs the application for certification on our behalf, I acknowledge that all responsibility for complying with the terms and conditions for certification, still resides with Dongguan Shangyuan Electronics Co., Ltd (Room D9, 6/F, Block 2 Camel Paint Building, 62 Hoi Yuen Road, Kwun Tong, Kowloon, Hong Kong ) (Applicant Name and address) Signed: Printed name: Mia Long Title: Manager Company Name: Dongguan Shangyuan Electronics Co., Ltd Date: 09/17/2025

Date 09/17/2025 Federal Communications Commission Authorization & Evaluation Division 7345 Oakland Mills Road Columbia, Maryland 21046 RE: LETTER OF AGENT AUTHORIZATION To Whom It May Concern: We, the undersigned, hereby authorize Compliance Testing, LLC to act on our behalf in all matters relating to application for equipment authorization, including the signing of all documents relating to these matters. We also hereby certify that no party to the application authorized hereunder is subject to the denial of benefits, including FCC benefits, pursuant to Section 5301 of the Anti-Drug Abuse Act of 1988, 21 U.S.C.853(a). Sincerely, Signed: Printed name: Mia Long Title: Manager Company Name: Dongguan Shangyuan Electronics Co., Ltd Date: 09/17/2025

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RF EXPOSURE EVALUATION FCC ID: 2AUKD-JH20 According to FCC 1.1310: The criteria listed in the following table shall be used to evaluate the environment impact of human exposure to radio frequency(RF) Radiation as specified in §1.1307(b): Routine SAR evaluation refers to that specifically required by §2.1093, using measurements or computer simulation. When routine SAR evaluation is not required, portable transmitters with output power greater than the applicable low threshold require SAR evaluation to qualify for TCB approval. BT: Channel (MHz) Maximum output power (dBm) Tune up tolerance (dBm) Max Tune Up Power (dBm) Distance (mm) Calculation results Limit Operating Mode 2402 -2.09 -2.09±1 -1.09 5 0.241 3 BT 2441 -2.63 -2.63±1 -1.63 5 0.215 3 2480 -3.46 -3.46±1 -2.46 5 0.179 3 2402 -1.18 -1.18±1 -0.18 5 0.297 3 2441 -1.72 -1.72±1 -0.72 5 0.265 3 2480 -2.54 -2.54±1 -1.54 5 0.221 3 2402 -0.79 -0.79±1 0.21 5 0.325 3 2441 -1.33 -1.33±1 -0.33 5 0.290 3 2480 -2.13 -2.13±1 -1.13 5 0.243 3 Test Results: PASS.

Inverted F Antenna Specification Summary ITEM ANT SPEC Model Name 2.4G ANT Horizontal Vertical 2400MHz 2400MHz2500MHz2400MHz2400MHz 2500MHz Center Frequency -1.26 -0.76 -0.58 -5.25 -2.46 -1.86 MAX. Gain -0.58dBi Polarization Horizontal and Vertical Azimuth Beam Pattern Omni-directional Impedance 50 Ohm Antenna Length 38.20mm Manufacture ZHUHAI JIELI TECHNOLOGY CO.,LTD Antenna Photo & Length (mm) Horizontal: 2400 MHz 2450 MHz 2500 MHz Power (dBm) Max: 0 Min: -40 Scale: 5/div Gain(dB) Frequency (MHz) Max Min Avg 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 Gain(dB) Frequency (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.

TEST REPORT Report No.: 8333EU012801W Applicant: Dongguan Shangyuan Electronics Co., Ltd Address: Room D9, 6/F, Block 2 Camel Paint Building, 62 Hoi Yuen Road, Kwun Tong, Kowloon, Hong Kong Product Name: Wireless Headphones Model No.: JH20 Trademark: N/A FCC ID: 2AUKD-JH20 Test Standard(s): 47 CFR Part 15 Subpart C Test Result: Pass Date of Receipt: Aug. 28, 2025 Test Date: Aug. 28, 2025 – Sep. 09, 2025 Date of Issue: Sep. 15, 2025 ISSUED BY: SHENZHEN EU TESTING LABORATORY LIMITED Prepared by: Reviewed and Approved by: ____________________ _____________________ Mikey Zhu/ Engineer Sally Zhang/ Manager Page 2 of 42 Report No.: 8333EU012801W TRF No.: FCC Part 15.247_BT (B02) Revision Record Report Version Issued Date Description Status V0 Sep. 15, 2025 Original Valid Page 3 of 42 Report No.: 8333EU012801W TRF No.: FCC Part 15.247_BT (B02) Table of Contents 1 COVER PAGE .................................................................................................................................. 1 2 GENERAL INFORMATION ...................................................................................................................... 5 2.1 APPLICANT INFORMATION .................................................................................................................. 5 2.2 MANUFACTURER INFORMATION .......................................................................................................... 5 2.3 FACTORY INFORMATION ..................................................................................................................... 5 2.4 GENERAL DESCRIPTION OF E.U.T. ..................................................................................................... 5 2.5 TECHNICAL INFORMATION OF E.U.T. .................................................................................................. 6 3 TEST SUMMARY ...................................................................................................................................... 7 3.1 TEST STANDARD ............................................................................................................................... 7 3.2 TEST VERDICT ................................................................................................................................... 7 3.3 TEST LABORATORY ........................................................................................................................... 7 4 TEST CONFIGURATION .......................................................................................................................... 8 4.1 TEST ENVIRONMENT .......................................................................................................................... 8 4.2 TEST EQUIPMENT .............................................................................................................................. 8 4.3 DESCRIPTION OF SUPPORT UNIT ........................................................................................................ 9 4.4 TEST MODE ...................................................................................................................................... 9 4.5 DESCRIPTION OF CALCULATION ......................................................................................................... 9 4.6 MEASUREMENT UNCERTAINTY ......................................................................................................... 10 4.7 DEVIATION FROM STANDARDS ......................................................................................................... 10 4.8 ABNORMALITIES FROM STANDARD CONDITION ................................................................................. 10 5 TEST ITEMS ........................................................................................................................................... 11 5.1 ANTENNA REQUIREMENT .................................................................................................................. 11 5.1.1 Test Requirement .............................................................................................................. 11 5.1.2 Antenna Anti-Replacement Construction .......................................................................... 11 5.1.3 Antenna Gain .................................................................................................................... 11 5.2 CONDUCTED EMISSION AT AC POWER LINE ..................................................................................... 12 5.2.1 Test Requirement .............................................................................................................. 12 5.2.2 Test Setup Diagram .......................................................................................................... 12 5.2.3 Test Procedure .................................................................................................................. 12 5.2.4 Test Data ........................................................................................................................... 12 5.3 OCCUPIED BANDWIDTH ................................................................................................................... 15 5.3.1 Test Requirement .............................................................................................................. 15 5.3.2 Test Setup Diagram .......................................................................................................... 15 5.3.3 Test Procedure .................................................................................................................. 16 5.3.4 Test Data ........................................................................................................................... 16 5.4 MAXIMUM CONDUCTED OUTPUT POWER .......................................................................................... 17 5.4.1 Test Requirement .................................................…

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Page 1 of 58 Report No.: 8333EU012801W-AD ANNEX D TEST DATA For Project No.: 8333EU012801W Client: Dongguan Shangyuan Electronics Co., Ltd Product Name: Wireless Headphones Model No.: JH20 FCC ID: 2AUKD-JH20 Technology: Bluetooth BDR&EDR Test Engineer: Test Date: 2025-09-08 Page 2 of 58 Report No.: 8333EU012801W-AD Test Summary Item Result Duty Cycle Pass Bandwidth Pass Maximum Conducted Output Power Pass Carrier Frequency Separation Pass Number of Hopping Frequencies Pass Time of Occupancy (Dwell Time) Pass Unwanted Emissions In Non-restricted Frequency Bands Pass Page 3 of 58 Report No.: 8333EU012801W-AD 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 2.892 3.749 77.14 1.13 0.03 2441 DH5 2.892 3.749 77.14 1.13 0.03 2480 DH5 2.892 3.750 77.12 1.13 0.03 π/4- DQPSK SISO 2402 2DH5 2.899 3.751 77.29 1.12 0.04 2441 2DH5 2.897 3.750 77.25 1.12 0.04 2480 2DH5 2.898 3.751 77.26 1.12 0.03 8DPSK SISO 2402 3DH5 2.900 3.751 77.31 1.12 0.03 2441 3DH5 2.900 3.751 77.31 1.12 0.03 2480 3DH5 2.900 3.750 77.33 1.12 0.03 Page 4 of 58 Report No.: 8333EU012801W-AD 1.2 Test Graph 1.2.1 Ant1 GFSK_DH5_LCH_2402MHz_Ant1_NTNV GFSK_DH5_MCH_2441MHz_Ant1_NTNV Page 5 of 58 Report No.: 8333EU012801W-AD GFSK_DH5_HCH_2480MHz_Ant1_NTNV π/4-DQPSK_2DH5_LCH_2402MHz_Ant1_NTNV Page 6 of 58 Report No.: 8333EU012801W-AD π/4-DQPSK_2DH5_MCH_2441MHz_Ant1_NTNV π/4-DQPSK_2DH5_HCH_2480MHz_Ant1_NTNV Page 7 of 58 Report No.: 8333EU012801W-AD 8DPSK_3DH5_LCH_2402MHz_Ant1_NTNV 8DPSK_3DH5_MCH_2441MHz_Ant1_NTNV Page 8 of 58 Report No.: 8333EU012801W-AD 8DPSK_3DH5_HCH_2480MHz_Ant1_NTNV Page 9 of 58 Report No.: 8333EU012801W-AD 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 0.856 / Pass 2480 DH5 1 0.863 / Pass π/4-DQPSK SISO 2402 2DH5 1 1.171 / Pass 2441 2DH5 1 1.172 / Pass 2480 2DH5 1 1.172 / Pass 8DPSK SISO 2402 3DH5 1 1.177 / Pass 2441 3DH5 1 1.181 / Pass 2480 3DH5 1 1.180 / 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 0.956 / Pass 2441 DH5 1 0.956 / Pass 2480 DH5 1 0.955 / Pass π/4-DQPSK SISO 2402 2DH5 1 1.283 / Pass 2441 2DH5 1 1.283 / Pass 2480 2DH5 1 1.287 / Pass 8DPSK SISO 2402 3DH5 1 1.301 / Pass 2441 3DH5 1 1.300 / Pass 2480 3DH5 1 1.303 / Pass Page 10 of 58 Report No.: 8333EU012801W-AD 2.2 Test Graph 2.2.1 OBW GFSK_DH5_LCH_2402MHz_Ant1_NTNV GFSK_DH5_MCH_2441MHz_Ant1_NTNV Page 11 of 58 Report No.: 8333EU012801W-AD GFSK_DH5_HCH_2480MHz_Ant1_NTNV π/4-DQPSK_2DH5_LCH_2402MHz_Ant1_NTNV Page 12 of 58 Report No.: 8333EU012801W-AD π/4-DQPSK_2DH5_MCH_2441MHz_Ant1_NTNV π/4-DQPSK_2DH5_HCH_2480MHz_Ant1_NTNV Page 13 of 58 Report No.: 8333EU012801W-AD 8DPSK_3DH5_LCH_2402MHz_Ant1_NTNV 8DPSK_3DH5_MCH_2441MHz_Ant1_NTNV Page 14 of 58 Report No.: 8333EU012801W-AD 8DPSK_3DH5_HCH_2480MHz_Ant1_NTNV Page 15 of 58 Report No.: 8333EU012801W-AD 2.2.2 20dB BW GFSK_DH5_LCH_2402MHz_Ant1_NTNV GFSK_DH5_MCH_2441MHz_Ant1_NTNV Page 16 of 58 Report No.: 8333EU012801W-AD GFSK_DH5_HCH_2480MHz_Ant1_NTNV π/4-DQPSK_2DH5_LCH_2402MHz_Ant1_NTNV Page 17 of 58 Report No.: 8333EU012801W-AD π/4-DQPSK_2DH5_MCH_2441MHz_Ant1_NTNV π/4-DQPSK_2DH5_HCH_2480MHz_Ant1_NTNV Page 18 of 58 Report No.: 8333EU012801W-AD 8DPSK_3DH5_LCH_2402MHz_Ant1_NTNV 8DPSK_3DH5_MCH_2441MHz_Ant1_NTNV Page 19 of 58 Report No.: 8333EU012801W-AD 8DPSK_3DH5_HCH_2480MHz_Ant1_NTNV Page 20 of 58 Report No.: 8333EU012801W-AD 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 -2.09 <=20.97 Pass 2441 DH5 -2.63 <=20.97 Pass 2480 DH5 -3.46 <=20.97 Pass π/4-DQPSK SISO 2402 2DH5 -1.18 <=20.97 Pass 2441 2DH5 -1.72 <=20.97 Pass 2480 2DH5 -2.54 <=20.97 Pass 8DPSK SISO 2402 3DH5 -0.79 <=20.97 Pass 2441 3DH5 -1.33 <=20.97 Pass 2480 3DH5 -2.13 <=20.97 Pass Note1: Antenna Gain: Ant1: -0.58dBi; Page 21 of 58 Report No.: 8333EU012801W-AD 3.2 Test Graph 3.2.1 Power GFSK_DH5_LCH_2402MHz_Ant1_NTNV GFSK_DH5_MCH_2441MHz_Ant1_NTNV Page 22 of 58 Report No.: 8333EU012801W-AD GFSK_DH5_HCH_2480MHz_Ant1_NTNV π/4-DQPSK_2DH5_LCH_2402MHz_Ant1_NTNV Page 23 of 58 Report No.: 8333EU012801W-AD π/4-DQPSK_2DH5_MCH_2441MHz_Ant1_NTNV π/4-DQPSK_2DH5_HCH_2480MHz_Ant1_NTNV Page 24 of 58 Report No.: 8333EU012801W-AD 8DPSK_3DH5_LCH_2402MHz_Ant1_NTNV 8DPSK_3DH5_MCH_2441MHz_Ant1_NTNV Page 25 of 58 Report No.: 8333EU012801W-AD 8DPSK_3DH5_HCH_2480MHz_Ant1_NTNV Page 26 of 58 Report No.: 8333EU012801W-AD 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 1.016 0.956 >=0.637 Pass π/4-DQPSK SISO HOPP 2DH5 0.994 1.287 >=0.858 Pass 8DPSK SISO HOPP 3DH5 0.994 1.303 >=0.869 Pass Page 27 of 58 Report No.: 8333EU012801W-AD 4.2 Test Graph 4.2.1 Ant1 GFSK_DH5_HOPP_Ant1_NTNV π/4-DQPSK_2DH5_HOPP_Ant1_NTNV Page 28 of 58 Report No.: 8333EU012801W-AD 8DPSK_3DH5_HOPP_Ant1_NTNV Page 29 of 58 Report No.: 8333EU012801W-AD 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 π/4-DQPSK SISO HOPP 2DH5 79 >=15 Pass 8DPSK SISO HOPP 3DH5 79 >=15 Pass Page 30 of 58 Report No.: 8333EU012801W-AD 5.2 Test Graph 5.2.1 HoppNum GFSK_DH5_HOPP_Ant1_NTNV π/4-DQPSK_2DH5_HOPP_Ant1_NTNV Page 31 of 58 Report No.: 8333EU012801W-AD 8DPSK_3DH5_HOPP_Ant1_NTNV Page 32 of 58 Report No.: 8333EU012801W-AD 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 0.386 31.6…

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