2A3EN-TO591A1TRUE WIRELESS EARBUDS

Dongguan feitianqi Trading Co., Ltd ADD: Room 301, No. 74, Xinlian Jiuxiang, Humen Town,Dongguan,Guangdong China TEL: 18566621145 FAX: 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, We, Dongguan feitianqi Trading Co., Ltd, hereby authorize China Certification ICT Co., Ltd (Dongguan) to act as a laboratory for testing and test report generation for the following project(s): (Product description: TRUE WIRELESS EARBUDS, Model: BH591A,BH598A,AP591A,AP598A,TO591A, SH591A,CO598A,FCC ID: 2A3EN-TO591A1) The chipset ATS3015 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

Dongguan feitianqi Trading Co., Ltd Add: Room 301, No. 74, Xinlian Jiuxiang, Humen Town,Dongguan,Guangdong China Tel: 18566621145 FAX: 18566621145 Email: [email protected] DECLARATION OF SIMILARITY Date: 2022-4-24 FEDERAL COMMUNICATIONS COMMISSION Authorization and Evaluation Division 7435 Oakland Mills Road Columbia, MD 21046 Dear Sir or Madam: We, Dongguan feitianqi Trading Co., Ltd, hereby declare that the product: TRUE WIRELESS EARBUDS, FCC ID: 2A3EN-TO591A1. model: BH598A,AP591A,AP598A,TO591A,SH591A,CO598A is electrically identical with the model: BH591A which was tested by China Certification ICT Co., Ltd (Dongguan) with the same electromagnetic emissions and electromagnetic compatibility characteristics. A description of the differences between those models and that are declared similar are as follows: They are the same product, and just the different model name, the rest are the same. Please contact me should there be need for any additional clarification or information. Best Regards, Signature: Printed Name: Derric Bai Title: Manager

QA-FR-171-A Dongguan feitianqi Trading Co., Ltd ADD: Room 301, No. 74, Xinlian Jiuxiang, Humen Town,Dongguan,Guangdong China TEL: 18566621145 FAX: 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: 2A3EN-TO591A1 In accordance with Sections 0.457 and 0.459 of the Commission’s Rules, (Dongguan feitianqi Trading Co., Ltd) hereby requests long-term confidential treatment of information accompanying this application as outlined below:  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

QA-FR-169-B Dongguan feitianqi Trading Co., Ltd ADD: Room 301, No. 74, Xinlian Jiuxiang, Humen Town,Dongguan,Guangdong China TEL: 18566621145 FAX: 18566621145 E-mail: [email protected] Date: 2022-4-24 To FEDERAL COMMUNICATIONS COMMISSION Authorization and Evaluation Division 7435 Oakland Mills Road Columbia,MD 21046 Dear Sir/Madam, We, Dongguan feitianqi Trading Co., Ltd, FCC ID: 2A3EN-TO591A1 , hereby submits justification for placing the FCC ID label to the charging box. According to the FCC Regulation and Guidence (KDB Publication 784748 D01 v09R01) allows for the FCC to be removed to charging box if the device is unquestionably too small for the FCC ID label to be printed. The measurement of right headset: Length (25.5mm)*Width (25.2mm)*High (19.6mm), label: Length 34.22(mm)*Width13.21(mm), charging box:70(mm)*38(mm)*31(mm).Refer to the above quote, as the headset are too small for the FCC ID label to be printed, so the FCC ID label will be moved to the charging box. For details, please see below photos: Sincerely, Printed Name: Derric Bai Title: Manager 70 31 38 mm mm mm Headset Label Charging box 25.2 25.5 19.6 mm mm mm 34.22 mm L: R: L: R:

QA-FR-170-B Dongguan feitianqi Trading Co., Ltd ADD: Room 301, No. 74, Xinlian Jiuxiang, Humen Town,Dongguan,Guangdong China TEL: 18566621145 FAX: 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 feitianqi Trading 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

EXHIBIT B - EUT EXTERNAL PHOTOGRAPHS

34.22 mm L: R: L: R:

EXHIBIT C - EUT INTERNAL PHOTOGRAPHS Antenna

TEST REPORT Applicant: Dongguan feitianqi Trading Co., Ltd Address: Room 301, No. 74, Xinlian Jiuxiang, Humen Town Dongguan, Guangdong China FCC ID: 2A3EN-TO591A1 Product Name: TRUE WIRELESS EARBUDS 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: CR22030008-00B Date Of Issue: 2022-04-26 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.: CR22030008-00B 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.: CR22030008-00B 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