2A3HJ-BLTD385WIRELESS HEADPHONES

This equipment has been tested and found to comply with the limits for a Class B digital device, pursuant to part 15 of the FCC Rules. These limits are designed to provide reasonable protection against harmful interference in a residential installation. This equipment generates, uses and can radiate radio frequency energy and, if not installed and used in accordance with the instructions, may cause harmful interference to radio communications. However, there is no guarantee that interference will not occur in a particular installation. If thisequipment does cause harmful interference to radio or television reception, which can be determined by turning the equipment off and on, the user is encouraged to try to correct the interference by one or more of the following measures: —Reorient or relocate the receiving antenna. —Increase the separation between the equipment and receiver. —Connect the equipment into an outlet on a circuit different from that to which the receiver is connected. —Consult the dealer or an experienced radio/TV technician for help.

(Dongguan) to act ize China Certification ICT Co., Ltd We, Dongguan Fuyuqian E-Commerce Co., Ltd., hereby author Dongguan Fuyuqian E-Commerce Co., Ltd. ADD: RM.304, No.74 Humen xinlian jiuxiang, Humen Town, Dongguan, Guangdong China TEL: +86 18566621145 E-mail: [email protected] Date: 2022-4-24 FEDERAL COMMUNICATIONS COMMISSION Authorization and Evaluation Division 7435 Oakland Mills Road Columbia, MD 21046 Dear Sir/Madam, as a laboratory for testing and test report generation for the following project(s): (Product description: WIRELESS HEADPHONES, Model: BLTD385,FCC ID: 2A3HJ-BLTD385) The chipset BK3266L supports Bluetooth BDR(GFSK), EDR(π/4-DQPSK, 8DPSK) and BLE Mode, But for this device, BLE mode was disable by software. Sincerely, Signature: Printed Name: derric bai Title: Manager FAX: 18566621145

E-Commerce Co., Ltd.) hereby requests long-term confidential treatment of information accompanying this application as outlined below: In accordance with Sections 0.457 and 0.459 of the Commission’s Rules, (Dongguan Fuyuqian QA-FR-171-A Dongguan Fuyuqian E-Commerce Co., Ltd. ADD: RM.304, No.74 Humen xinlian jiuxiang, Humen Town, Dongguan, Guangdong China TEL: +86 18566621145 E-mail: [email protected] FCC Confidential Authorization Date:2022-4-24 FEDERAL COMMUNICATIONS COMMISSION Authorization and Evaluation Division 7435 Oakland Mills Road Columbia, MD 21046 Subject: Confidentiality Request regarding application for certification of FCC ID: 2A3HJ-BLTD385  Block Diagram  Schematics  Operation Description The above materials contain proprietary and confidential information not customarily released to the public. The public disclosure of these materials provides unjustified benefits to its competitors in the market. Sincerely, Signature: Printed Name: derric bai Title: Manager FAX: 18566621145

QA-FR-170-B Dongguan Fuyuqian E-Commerce Co., Ltd. ADD: RM.304, No.74 Humen xinlian jiuxiang, Humen Town, Dongguan, Guangdong China TEL: +86 18566621145 E-mail: [email protected] FCC Authorization Date: 2022-4-24 FEDERAL COMMUNICATIONS COMMISSION Authorization and Evaluation Division 7435 Oakland Mills Road Columbia, MD 21046 Subject: Agent Authorization To whom it may concern: We , Dongguan Fuyuqian E-Commerce Co., Ltd., Hereby authorizes China Certification ICT Co., Ltd (Dongguan) to act on its behalf in all matters relating to application for Equipment authorization, including the signing of all documents relating to these matters. All acts carried out by China Certification ICT Co., Ltd (Dongguan) on our behalf shall have the same effect as our own action. We, the undersigned, hereby certify that we are not subject to a denial of federal benefits, that includes FCC benefits, pursuant to Section 5301 of the Anti-Drug Abuse Act of 1988, 21 U.S.C. 862. This authorization is valid until further written notice from the applicant. Sincerely Yours, Client’s signature Printed Name: derric bai Title: Manager FAX: 18566621145

EXHIBIT B - EUT EXTERNAL PHOTOGRAPHS

EXHIBIT C - EUT INTERNAL PHOTOGRAPHS Antenna

TEST REPORT Applicant: Dongguan Fuyuqian E-Commerce Co., Ltd. Address: RM.304, No.74 Humen xinlian jiuxiang Humen Town, Dongguan, Guangdong China FCC ID: 2A3HJ-BLTD385 Product Name: WIRELESS HEADPHONES Standard(s): 47 CFR Part 15, Subpart C(15.247) ANSI C63.10-2013 KDB 558074 D01 15.247 Meas Guidance v05r02 The above equipment has been tested and found compliant with the requirement of the relative standards by China Certification ICT Co., Ltd (Dongguan) Report Number: CR22030031-00B Date Of Issue: 2022-04-24 Reviewed By: Sun Zhong Title: Manager Test Laboratory: China Certification ICT Co., Ltd (Dongguan) No. 113, Pingkang Road, Dalang Town, Dongguan, Guangdong, China Tel: +86-769-82016888 China Certification ICT Co., Ltd (Dongguan) Report No.: CR22030031-00B Page 2 of 50 Test Facility The Test site used by China Certification ICT Co., Ltd (Dongguan) to collect test data is located on the No. 113, Pingkang Road, Dalang Town, Dongguan, Guangdong, China. The lab has been recognized as the FCC accredited lab under the KDB 974614 D01 and is listed in the FCC Public Access Link (PAL) database, FCC Registration No. : 442868, the FCC Designation No. : CN1314. The lab has been recognized by Innovation, Science and Economic Development Canada to test to Canadian radio equipment requirements, the CAB identifier: CN0123. Declarations China Certification ICT Co., Ltd (Dongguan) is not responsible for the authenticity of any test data provided by the applicant. Data included from the applicant that may affect test results are marked with a triangle symbol “▲”. Customer model name, addresses, names, trademarks etc. are not considered data. Unless otherwise stated the results shown in this test report refer only to the sample(s) tested. This report cannot be reproduced except in full, without prior written approval of the Company. This report is valid only with a valid digital signature. The digital signature may be available only under the Adobe software above version 7.0. This report may contain data that are not covered by the accreditation scope and shall be marked with an asterisk “★”. China Certification ICT Co., Ltd (Dongguan) Report No.: CR22030031-00B Page 3 of 50 CONTENTS T EST FACILITY .......................................................................................................................................... 2 DECLARATIONS .......................................................................................................................................... 2 1. GENERAL INFORMATION .................................................................................................... 5 1.1 PRODUCT DESCRIPTION FOR EQUIPMENT UNDER TEST (EUT) ....................................................... 5 1.2 DESCRIPTION OF TEST CONFIGURATION ........................................................................................... 6 1.2.2 Support Equipment List and Details .............................................................................................................. 6 1.2.3 Support Cable List and Details ...................................................................................................................... 6 1.2.4 Block Diagram of Test Setup ......................................................................................................................... 6 1.3 MEASUREMENT UNCERTAINTY .......................................................................................................... 7 2. SUMMARY OF TEST RESULTS ............................................................................................ 8 3. REQUIREMENTS AND TEST PROCEDURES .................................................................... 9 3.1 AC LINE CONDUCTED EMISSIONS ...................................................................................................... 9 3.1.1 Applicable Standard ....................................................................................................................................... 9 3.1.2 EUT Setup.................................................................................................................................................... 10 3.1.3 EMI Test Receiver Setup ............................................................................................................................. 10 3.1.4 Test Procedure ............................................................................................................................................. 11 3.1.5 Corrected Amplitude & Margin Calculation ................................................................................................ 11 3.2 RADIATION SPURIOUS EMISSIONS .................................................................................................... 12 3.2.1 Applicable Standard ..................................................................................................................................... 12 3.2.2 EUT Setup.................................................................................................................................................... 12 3.2.3 EMI Test Receiver & Spectrum Analyzer Setup ......................................................................................... 13 3.2.4 Test Procedure ............................................................................................................................................. 13 3.2.5 Corrected Amplitude & Margin Calculation ................................................................................................ 13 3.3 20 DB BANDWIDTH ............................................................................................................................. 14 3.3.1 Applicable Standard ..................................................................................................................................... 14 3.3.2 EUT Setup......................................................................................…

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EXHIBIT D - TEST SETUP PHOTOGRAPHS Radiated Emission Below 1GHz View Radiated Emission Above 1GHz View