2AVIT-TW200LTrue Wireless Earbuds

Any changes or modifications mot expressly approved by the party responsible for complia This equipment complies with FCC radiation exposure limits set forth for an uncontrolled environment. This transmitter must not be co-located or opera ting in conjunction with any other antenna or transmitter. Left Right

Earfun Tech nology (HK) Limited FEDERAL COMMUNICATIONS COMMISSION Authorization and Evaluation Division 7435 Oakland Mills Road Columbia, MD 21046 Dear Sir/Madam, We, Earfun Technology (HK) Limited, hereby authorize Bay Area Comp liance Laboratories Corp to act as a laboratory for testing and test report generation for the following project(s): (Product description: True Wireless Earbuds, FCC ID: 2AVIT-TW200L,Model: TW200 ) The chipset AB1536 supports Bluetooth BDR(GFSK), EDR(π/4-DQPSK, 8DPSK) and BLE Mode, But for this device, BLE was disable by software. Sincerely, Signature: Rocky Deng Product Director Date: 2020-05-18 TEL: +86-15989596589 E-mail: [email protected] ADD: FLAT/RM A 9F, SILVERCORP INTERNATIONAL TOWER 707-713 NATHAN ROAD MONGKOK KL, HONG KONG

QA-FR-170-B FCC Authorization Date: 2020-05-18 FEDERAL COMMUNICATIONS COMMISSION Authorization and Evaluation Division 7435 Oakland Mills Road Columbia, MD 21046 Subject: Agent Authorization To whom it may concern: We , Earfun Technology (HK) Limited, Hereby authorizes 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, Client’s signature Printed Name: Rocky Deng Title: Product Director Earfun Tech nology (HK) Limited TEL: +86-15989596589 E-mail: [email protected] ADD: FLAT/RM A 9F, SILVERCORP INTERNATIONAL TOWER 707-713 NATHAN ROAD MONGKOK KL, HONG KONG

QA-FR-171-A FCC Confidential Authorization Date: 2020-05-18 FEDERAL COMMUNICATIONS COMMISSIONS Authorization and Evaluation Division 7435 Oakland Mills Road Columbia, MD 21046 Subject: Confidentiality Request regarding application for certification of FCC ID:2AVIT-TW200L In accordance with Sections 0.457 and 0.459 of the Commission’s Rules, (Earfun Technology (HK) Limited) 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: Rocky Deng Title: Product Director Earfun Tech nology (HK) Limited TEL: +86-15989596589 E-mail: [email protected] ADD: FLAT/RM A 9F, SILVERCORP INTERNATIONAL TOWER 707-713 NATHAN ROAD MONGKOK KL, HONG KONG

EXHIBIT B - EUT EXTERNAL PHOTOGRAPHS Left Unit Base charger

FCC ID: 2AVIT-TW200L

EXHIBIT C - EUT INTERNAL PHOTOGRAPHS Left Unit Chip1 ANT Base charger

FCC PART 15.247 TEST REPORT For Earfun Technology (HK) Limited FLAT/RM A 9F,SILVERCORP INTERNATIONAL TOWER 707-713 NATHAN ROAD MONGKOK KL, HONG KONG FCC ID:2AVIT-TW200L Report Type: Original Report Product Name: True Wireless Earbuds Report Number: RDG200403009-00A Re port Date: 2020-04-23 Reviewed By: Ivan Cao Assistant Manager Test Laboratory: Bay Area Compliance Laboratories Corp. (Dongguan) No.69 Pulongcun, Puxinhu Industry Area, Tangxia, Dongguan, Guangdong, China Tel: +86-769-86858888 Fax: +86-769-86858891 www.baclcorp.com.cn Bay Area Compliance Laboratories Corp. (Dongguan) Report No.: RDG200403009-00A Page 2 of 54 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 DECLARATIONS ............................................................................................................................................................ 5 SYSTEM TEST CONFIGURATION .......................................................................................................................... 6 DESCRIPTION OF TEST CONFIGURATION ...................................................................................................................... 6 EUT EXERCISE SOFTWARE .......................................................................................................................................... 6 EQUIPMENT MODIFICATIONS ....................................................................................................................................... 6 SUPPORT EQUIPMENT LIST AND DETAILS .................................................................................................................... 6 SUPPORT CABLE LIST AND DETAILS ............................................................................................................................ 6 BLOCK DIAGRAM OF TEST SETUP ................................................................................................................................ 7 SUMMARY OF TEST RESULTS ............................................................................................................................... 8 FCC §15.247 (i) & §1.1310 & §2.1093- RF Exposure ................................................................................................. 9 APPLICABLE STANDARD .............................................................................................................................................. 9 FCC §15.203 - ANTENNA REQUIREMENT ........................................................................................................... 10 APPLICABLE STANDARD ............................................................................................................................................ 10 ANTENNA INFORMATION AND CONNECTOR CONSTRUCTION ..................................................................................... 10 FCC §15.207 (a)– AC LINE CONDUCTED EMISSIONS ...................................................................................... 11 APPLICABLE STANDARD ............................................................................................................................................ 11 EUT SETUP ................................................................................................................................................................ 11 EMI TEST RECEIVER SETUP ....................................................................................................................................... 11 TEST PROCEDURE ...................................................................................................................................................... 11 CORRECTED AMPLITUDE & MARGIN CALCULATION ................................................................................................. 12 TEST EQUIPMENT LIST AND DETAILS ......................................................................................................................... 12 TEST DATA ................................................................................................................................................................ 12 FCC §15.209, §15.205 & §15.247(d)- SPURIOUS EMISSIONS .............................................................................. 15 APPLICABLE STANDARD ............................................................................................................................................ 15 EUT SETUP ................................................................................................................................................................ 15 EMI TEST RECEIVER & SPECTRUM ANALYZER SETUP .............................................................................................. 16 TEST PROCEDURE ..............................................................................................................................…

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