2AS5O-S023TWS EARBUDS

EBP-E-LHS023 This equipment complies with FCC radiation exposure requirement set forth for an uncontrolled environment The manufacturer is not responsible for any radio or TV interference caused by unauthorized modifications or change to this equipment. Such modifications or change could void the user’s authority to operate the equipment.

China Etech Groups Ltd. 16/F, Block C, 2nd Phase of Central Avenue, Haihong Industrial Area, Xixiang Road,Baoan, Shenzhen, China Tel: 0755‐29402910 | Fax: 0755‐29402910 E-mail: [email protected] Date:2020/03/09 To: FEDERAL COMMUNICATIONS COMMISSION Authorization and Evaluation Division 7435 Oakland Mills Road Columbia, MD 21046 We, China Etech Groups Ltd. Hereby declare that: Product Name: TWS EARBUDS Model No: EBP-E-LHS023/B0206/EB0206-BKA/EB0206-WHA FCC ID: 2AS5O-S023 For BT Mode: BLE 1M/2M are disable by software For the Ear Buds: The right headset and the left headset have the identical circuit diagram, PCB layout, antenna and key components. For Below are activated: Bluetooth BDR(GFSK) , EDR( /4 DQPSK), EDR(8DPSK) Except for the manufacturer, the end user does not have any capability to modify/change the RF parameters. We acknowledge that it is the manufacturer’s responsibility to provide the radio configurations to ensure compliance with Commission’s rules. Sincerely Yours, Signature: Printed Name:Paul Huang Title: Manager

QA-FR-170-B China Etech Groups Ltd Address: 16/F, Block C, 2nd Phase of Central Avenue, Haihong Industrial Area, Xixiang Road,Baoan, Shenzhen, China Email: [email protected] Tel: 0755-29402910 Fax: 0755-29402910 FCC Authorization 2020/02/20 FEDERAL COMMUNICATIONS COMMISSIONS Authorization and Evaluation Division 7435 Oakland Mills Road Columbia, MD 21046 Subject: Agent Authorization To whom it may concern: We ( China Etech Groups Ltd), the undersigned, hereby authorize Bay Area Compliance Laboratories Corporation 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 Bay Area Compliance Laboratory Corporation 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, Signature: Paul Huang Manager

China Etech Groups Ltd Address: 16/F, Block C, 2nd Phase of Central Avenue, Haihong Industrial Area, Xixiang Road,Baoan, Shenzhen, China Email: [email protected] Tel: 0755-29402910 Fax: 0755-29402910 FCC Confidential Authorization 2020/02/20 FEDERAL COMMUNICATIONS COMMISSIONS Authorization and Evaluation Division 7435 Oakland Mills Road Columbia, MD 21046 Subject: Confidentiality Request regarding application for certification of FCC ID: 2AS5O-S023 In accordance with Sections 0.457 and 0.459 of the Commission’s Rules, (China Etech Groups 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 Yours, Signature: Paul Huang Manager

China Etech Groups Ltd Address: 16/F, Block C, 2nd Phase of Central Avenue, Haihong Industrial Area, Xixiang Road,Baoan, Shenzhen, China Email: [email protected] Tel: 0755-29402910 Fax: 0755-29402910 Product Similarity Declaration 2020/02/20 FEDERAL COMMUNICATIONS COMMISSIONS Authorization and Evaluation Division 7435 Oakland Mills Road Columbia, MD 21046 We, China Etech Groups Ltd, hereby declare that we have a product named as TWS EARBUDS (Model number: EBP-E-LHS023 FCC ID: 2AS5O-S023) was tested by BACL, meanwhile, for our marketing purpose, we would like to list a series model (EB0206, EB0206-BKA, EB0206-WHA) on reports and certificate. All the models are identical schematics, except for the model names. No other changes are made to them. We confirm that all information above is true, and we’ll be responsible for all the consequences. Please contact me if you have any question. Signature: Print Name: Paul Huang Title: Manager

China Etech Groups Ltd 16/F, Block C, 2nd Phase of Central Avenue, Haihong Industrial Area, Xixiang Road,Baoan, Shenzhen, China Tel: 0755‐29402910 | Fax: 0755‐29402910 E-mail: [email protected] FCC ID Cover Letter The China Etech Groups Ltd, here by submit justification for placing the FCC ID in the Associated user Manual. According to the FCC Regulation and Guidance (KDB Publication 784748 D01 v09r01) allows for the FCC ID to be moved to the User’s manual and charging case if the device is unquestionably too small for the FCC ID to be printed. Referring to the above quote, as the device is too small for FCC ID: 2AS5O-S023 to be printed. The FCC ID will be moved to the last page of user’s manual and charging case. The details are as below: A. Top cover (A): The plastic of the top cover does not provide enough physical space to fit the printing of the FCC ID according to below reference picture. B. Area (B): The plastic of the top cover does not provide enough physical space to fit the printing of the FCC ID according to below reference picture. Conclusion: Based on the above description of area A to B, we conclude that the device is unquestionably too small for A B enabling the FCC ID to be printed onto any surface. We therefore request to move the FCC ID to the user manual and charging case. FCC ID Label FCC ID Label Location Information Best regards, Sincerely Yo u e s , Signature: Printed Name:Paul Huang Manager

EXHIBIT B - EUT EXTERNAL PHOTOGRAPHS Only color different

EXHIBIT A - FCC ID LABEL AND LOCATION FCC ID Label FCC ID Label Location Information The label shown shall be permanently affixed at a conspicuous location on the device and be readily visible to the user at the time purchase (Labeling requirements per 2.925)

EXHIBIT C - EUT INTERNAL PHOTOGRAPHS Antenna

Note: This report must not be used by the customer to claim product certification, approval, or endorsement by A2LA* or any agency of the Federal Government. This report may contain data that are not covered by the A2LA accreditation and are marked with an asterisk “★”. BACL 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 an asterisk ’*’. Customer model name, addresses, names, trademarks etc. are not considered data. This report cannot be reproduced except in full, without prior written approval of the Company. Unless otherwise stated the results shown in this test report refer only to the sample(s) tested. 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. FCC PART 15.247 TEST REPORT For China Etech Groups Ltd 16/F, Block C, 2nd Phase of Central Avenue, Haihong Industrial Area, Xixiang Road, Baoan, Shenzhen, China FCC ID: 2AS5O-S023 Report Type: Original Report Product Type: TWS EARBUDS Re port Number: RSZ200110810-00B Re port Date: 2020-03-02 Reviewed B y: Jimmy Xiao RF En gineer Prepared By: Bay Area Compliance Laboratories Corp. (Shenzhen) 6/F., West Wing, Third Phase of Wanli Industrial Building, Shihua Road, Futian Free Trade Zone, Shenzhen, Guangdong, China Tel: +86-755-33320018 Fax: +86-755-33320008 www.baclcorp.com.cn Bay Area Compliance Laboratories Corp. (Shenzhen) Report No.: RSZ200110810-00B FCC Part 15.247 Page 2 of 69 TABLE OF CONTENTS GENERAL INFORMATION ....................................................................................................................................... 4 PRODUCT DESCRIPTION FOR EQUIPMENT UNDER TEST (EUT) ..................................................................................... 4 OBJECTIVE ................................................................................................................................................................... 4 RELATED SUBMITTAL(S)/GRANT(S) ............................................................................................................................. 4 TEST METHODOLOGY .................................................................................................................................................. 4 MEASUREMENT UNCERTAINTY .................................................................................................................................... 5 TEST FACILITY ............................................................................................................................................................. 5 SYSTEM TEST CONFIGURATION .......................................................................................................................... 6 DESCRIPTION OF TEST CONFIGURATION ...................................................................................................................... 6 EUT EXERCISE SOFTWARE .......................................................................................................................................... 6 SPECIAL ACCESSORIES ................................................................................................................................................. 6 EQUIPMENT MODIFICATIONS ....................................................................................................................................... 6 SUPPORT EQUIPMENT LIST AND DETAILS .................................................................................................................... 6 EXTERNAL I/O CABLE .................................................................................................................................................. 6 BLOCK DIAGRAM OF TEST SETUP ................................................................................................................................ 7 SUMMARY OF TEST RESULTS ............................................................................................................................... 8 TEST EQUIPMENT LIST ........................................................................................................................................... 9 FCC§15.247 (i), §1.1307 (b) (1) &§2.1093 – RF EXPOSURE ...................................................................................... 10 APPLICABLE STANDARD ............................................................................................................................................ 10 FCC §15.203 – ANTENNA REQUIREMENT .......................................................................................................... 11 APPLICABLE STANDARD ............................................................................................................................................ 11 ANTENNA CONNECTOR CONSTRUCTION .................................................................................................................... 11 FCC §15.207 (a) – AC LINE CONDUCTED EMISSIONS ..................................................................................... 12 APPLICABLE STANDARD ............................................................................................................................................ 12 EUT SETUP ................................................................................................................................................................ 12 EMI TEST RECEIVER SETUP ....................................................................................................................................... 12 TEST PROCEDURE ...................................................................................................................................................... 12 CORRECTED FACTOR & MARGIN CALCULATION .................................................................................…

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EXHIBIT D - TEST SETUP PHOTOGRAPHS Conducted Emissions - Front View Conducted Emissions - Side View Radiated Emissions View (Below 1 GHz) Radiated Emissions View (Above 1 GHz)