2AVLI-EP030True wireless Earbuds

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HONGKONG VIMAI TACHNOLOGY CO.,LIMITED Model Confirmation Letter We, (HONGKONG VIMAI TACHNOLOGY CO.,LIMITED) certify the product: Model No.:EP029，PRO-ANC, JR-TA2 Their electrical circuit design, layout, components used and internal wiring are identical, Only the Model named is different. Signiture: Liu Guo Rong Grantee Contact: Liu Guo Rong Company Name: HONGKONG VIMAI TACHNOLOGY CO.,LIMITED Date:2020-11-11

Date: 04/17/2018 VCB_F-01: Operating Procedures Form – FCC Authorization v02 Page 1 of 1 HONGKONG VIMAI TECHNOLOGY CO.,LIMITED Federal Communications Commission Authorization and Evaluation Division 1435 Oakland Mills Road Columbia, MD 21046 Date: 2020/10/30 SUBJECT: FCC Application for (FCC ID: 2AVLI-EP030) To Whom It May Concern: We, the undersigned, hereby authorize Alisa Feng in Shenzhen Huaxia Testing Technology Co., Ltd at 1F., Block A of Tongsheng Technology Building, Huahui Road, Dalang Street, Longhua District, Shenzhen, China on our behalf, to apply to the Federal Communications Commission on our equipment. Any and all acts carried out by Shenzhen Huaxia Testing Technology Co., Ltd on our behalf shall have the same effect as acts of our own. This is to advise that we are in full compliance with the Anti- Drug Abuse Act. We, the applicant, are not subject to a denial of federal benefits pursuant to Section 5301 of the Anti-Drug Act of 1988, 21 USC853a, and no party to the application is subject to a denial of federal benefits pursuant to that section. Sincerely, (Must be signed by the person that is listed on the FCC Website) Signature: Liu Guo Rong Contact name: Liu Guo Rong Company name: HONGKONG VIMAI TECHNOLOGY CO.,LIMITED Address: FLAT/RM H29,1/F PHASE 2 KWAI SHING IND BLDG NO.42-46,TAI LIN PAI ROAD KWAI CHUNG HONG KONG

Date: 04/17/2018 VCB_F-01: Operating Procedures Form – FCC Confidentiality v02 Page 1 of 1 HONGKONG VIMAI TECHNOLOGY CO.,LIMITED Federal Communications Commission Authorization and Evaluation Division Confidentiality Request regarding application for certification of FCC ID: 2AVLI-EP030 Pursuant to Sections 0.457 and 0.459 of the Commission’s Rules, we hereby request confidential treatment of information accompanying this application as outlined below: Exhibit Type File Name 1. Block Diagram, 2. Schematics, 3. Operational Description 1. 2AVLI-EP030 -Block diagram 2. 2AVLI-EP030 -SCH 3. 2AVLI-EP030 -Operational description The above materials contain trade secrets and proprietary information not customarily released to the public. The public disclosure of these materials may be harmful to the applicant and provide unjustified benefits to its competitors. The applicant understands that pursuant to Section 0.457 of the Rules, disclosure of this application and all accompanying documentation will not be made before the date of the Grant for this application. Pursuant to DA04-1705 June 15, 2004 of the Commission’s public notice, we also request temporary confidential treatment of information accompanying this application as outlined below for an initial period of xxxx (ie- “45”, “90” or “180”) days: Exhibit Type File Name N/A N/A Signature: Liu Guo Rong Contact name: Liu Guo Rong Company name: HONGKONG VIMAI TECHNOLOGY CO.,LIMITED Address: FLAT/RM H29,1/F PHASE 2 KWAI SHING IND BLDG NO.42-46,TAI LIN PAI ROAD KWAI CHUNG HONG KONG

FCC ID: 2AVLI-EP030 FCC ID: 2AVLI-EP030 FCC ID: 2AVLI-EP030 FCC ID: 2AVLI-EP030 FCC ID: 2AVLI-EP030

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FCC ID: 2AVLI-EP030 FCC ID: 2AVLI-EP030 FCC ID: 2AVLI-EP030

Shenzhen Huaxia Testing Technology Co., Ltd 1F., Block A of Tongsheng Technology Building, Huahui Road, Dalang Street, Longhua District, Shenzhen, China Telephone: +86-755-26648640 Fax: +86-755-26648637 Website: www.cqa-cert.com Report Template Version: V04 Report Template Revision Date: 2018-07-06 RF Exposure Evaluation Report The test report is effective only with both signature and specialized stamp, The result(s) shown in this report refer only to the sample(s) tested. Without written approval of CQA, this report can’t be reproduced except in full. Report No.: CQASZ20200901136E-03 Applicant: HONGKONG VIMAI TECHNOLOGY CO., LIMITED Address of Applicant: FLAT/RM H29, 1/F PHASE 2 KWAI SHING IND BLDG NO.42-46, TAI LIN PAI ROAD KWAI CHUNG, HONG KONG Equipment Under Test (EUT): EUT Name: True wireless Earbuds Model No.: EP029, PRO-ANC, JR-TA2 Test Model No.: EP029 Brand Name: N/A FCC ID: 2AVLI-EP030 Standards: 47 CFR Part 1.1307 47 CFR Part 2.1093 KDB447498D01 General RF Exposure Guidance v06 Date of Receipt: 2020-09-29 Date of Test: 2020-10-10 to 2020-10-30 Date of Issue: 2020-10-30 Test Result: PASS* *In the configuration tested, the EUT complied with the standards specified above Tested By： (Tiny You ) Reviewed By: (Sheek Luo) Approved By: ( Jack Ai) Shenzhen Huaxia Testing Technology Co., Ltd Report No.: CQASZ20200901136E-03 Page:2 of 7 1 Version Revision History Of Report Report No. Version Description Issue Date CQASZ20200901136E-03 Rev.01 Initial report 2020-10-30 Shenzhen Huaxia Testing Technology Co., Ltd Report No.: CQASZ20200901136E-03 Page:3 of 7 2 Contents Page 1 VERSION .....................................................................................................................................................................2 2 CONTENTS .................................................................................................................................................................3 3 GENERAL INFORMATION ......................................................................................................................................4 3.1 CLIENT INFORMATION ...............................................................................................................................................4 3.2 GENERAL DESCRIPTION OF EUT ...............................................................................................................................4 3.3 GENERAL DESCRIPTION OF BT ..................................................................................................................................4 3.4 GENERAL DESCRIPTION OF BLE ................................................................................................................................4 4 SAR EVALUATION ....................................................................................................................................................5 4.1 RF EXPOSURE COMPLIANCE REQUIREMENT ..............................................................................................................5 4.1.1 Standard Requirement .................................................................................................................................5 4.1.2 Limits ..............................................................................................................................................................5 4.1.3 EUT RF Exposure.........................................................................................................................................6 Shenzhen Huaxia Testing Technology Co., Ltd Report No.: CQASZ20200901136E-03 Page:4 of 7 3 General Information 3.1 Client Information Applicant: HONGKONG VIMAI TECHNOLOGY CO., LIMITED Address of Applicant: FLAT/RM H29, 1/F PHASE 2 KWAI SHING IND BLDG NO.42-46, TAI LIN PAI ROAD KWAI CHUNG, HONG KONG Manufacturer: SHEN ZHEN VIMAI TECHNOLOGY CO.,LTD Address of Manufacturer: Floor 3, building B, no. 5 huating road, tongsheng community, dalang street, longhua district, shenzhen Factory: SHEN ZHEN VIMAI TECHNOLOGY CO.,LTD Address of Factory: Floor 3, building B, no. 5 huating road, tongsheng community, dalang street, longhua district, shenzhen 3.2 General Description of EUT Product Name: True wireless Earbuds Model No.: EP029, PRO-ANC, JR-TA2 Test Model No.: EP029 Trade Mark: N/A EUT Supports Radios application: Bluetooth Dual mode 2402-2480MHz Hardware Version: EP029-62F-ANC-2020-09-16-V1.1 Software Version: Weimai-EP029-Ven1.2-AB1662F-dem01.0-too1.1.1.1-V0.3-0819-Ledoff Sample Type: Mobile Portable Fix Location Power Supply: lithium battery:DC3.7V, Charge by DC5V 3.3 General Description of BT Operation Frequency: 2402MHz~2480MHz Modulation Technique: Frequency Hopping Spread Spectrum(FHSS) Modulation Type: GFSK, π/4DQPSK, 8DPSK Number of Channel: 79 Transfer Rate: 1Mbps/2Mbps/3Mbps Hopping Channel Type: Adaptive Frequency Hopping systems Test Software of EUT: AB1562 Lab Test Tool (manufacturer declare ) Antenna Type: Ceramic antenna Antenna Gain: 2dBi 3.4 General Description of BLE Operation Frequency: 2402MHz~2480MHz Modulation Type: GFSK Transfer Rate: 1Mbps Number of Channel: 40 Test Software of EUT: AB1562 Lab Test Tool (manufacturer declare ) Antenna Type: Ceramic antenna Antenna Gain: 2dBi Shenzhen Huaxia Testing Technology Co., Ltd Report No.: CQASZ20200901136E-03 Page:5 of 7 4 SAR Evaluation 4.1 RF Exposure Compliance Requirement 4.1.1 Standard Requirement According to KDB447498D01 General RF Exposure Guidance v06 4.3.1. Standalone SAR test exclusion considerations Unless specifically required by the published RF exposure KDB procedures, standalone 1-g head or body and 10-g extremity SAR evaluation for general population exposure conditions, by measurement or numerical simulation, is not required when the corresponding SAR Exclusion Threshold condition, listed below, is satisfied. 4.1.2 Limits The 1-g and 10-g SAR test exclusion thresholds for 100 MHz to 6 GHz at test separation distanc…

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Shenzhen Huaxia Testing Technology Co., Ltd 1F., Block A of Tongsheng Technology Building, Huahui Road, Dalang Street, Longhua District, Shenzhen, China Telephone: +86-755-26648640 Fax: +86-755-26648637 Website: www.cqa-cert.com Report Template Version: V04 Report Template Revision Date: 2018-07-06 Test Report The test report is effective only with both signature and specialized stamp, The result(s) shown in this report refer only to the sample(s) tested. Without written approval of CQA, this report can’t be reproduced except in full. Report No.: CQASZ20200901136E-02 Applicant: HONGKONG VIMAI TECHNOLOGY CO., LIMITED Address of Applicant: FLAT/RM H29, 1/F PHASE 2 KWAI SHING IND BLDG NO.42-46, TAI LIN PAI ROAD KWAI CHUNG, HONG KONG Equipment Under Test (EUT): EUT Name: True wireless Earbuds Model No.: EP029, PRO-ANC, JR-TA2 Test Model No.: EP029 Brand Name: N/A FCC ID: 2AVLI-EP030 Standards: 47 CFR Part 15, Subpart C Date of Receipt: 2020-09-29 Date of Test: 2020-10-10 to 2020-10-30 Date of Issue: 2020-10-30 Test Result: PASS* * In the configuration tested, the EUT complied with the standards specified above Tested By： (Tiny You ) Reviewed By: ( Sheek Luo ) Approved By: ( Jack Ai ) Shenzhen Huaxia Testing Technology Co., Ltd Report No.: CQASZ20200901136E-02 Page:2 of 91 1 Version Revision History Of Report Report No. Version Description Issue Date CQASZ20200901136E-02 Rev.01 Initial report 2020-10-30 Shenzhen Huaxia Testing Technology Co., Ltd Report No.: CQASZ20200901136E-02 Page:3 of 91 2 Test Summary Test Item Test Requirement Test method Result Antenna Requirement 47 CFR Part 15, Subpart C Section 15.203/15.247 (c) ANSI C63.10 (2013) PASS AC Power Line Conducted Emission 47 CFR Part 15, Subpart C Section 15.207 ANSI C63.10 (2013) N/A Conducted Peak Output Power 47 CFR Part 15, Subpart C Section 15.247 (b)(1) ANSI C63.10 (2013) PASS 20dB Occupied Bandwidth 47 CFR Part 15, Subpart C Section 15.247 (a)(1) ANSI C63.10 (2013) PASS Carrier Frequencies Separation 47 CFR Part 15, Subpart C Section 15.247 (a)(1) ANSI C63.10 (2013) PASS Hopping Channel Number 47 CFR Part 15, Subpart C Section 15.247 (a)(1) ANSI C63.10 (2013) PASS Dwell Time 47 CFR Part 15, Subpart C Section 15.247 (a)(1) ANSI C63.10 (2013) PASS Pseudorandom Frequency Hopping Sequence 47 CFR Part 15, Subpart C Section 15.247(b)(4)&TCB Exclusion List (7 July 2002) ANSI C63.10 (2013) PASS Band-edge for RF Conducted Emissions 47 CFR Part 15, Subpart C Section 15.247(d) ANSI C63.10 (2013) PASS RF Conducted Spurious Emissions 47 CFR Part 15, Subpart C Section 15.247(d) ANSI C63.10 (2013) PASS Radiated Spurious emissions 47 CFR Part 15, Subpart C Section 15.205/15.209 ANSI C63.10 (2013) PASS Restricted bands around fundamental frequency (Radiated Emission) 47 CFR Part 15, Subpart C Section 15.205/15.209 ANSI C63.10 (2013) PASS N/A: When the EUT charging, BT will not work , So Not Applicable Shenzhen Huaxia Testing Technology Co., Ltd Report No.: CQASZ20200901136E-02 Page:4 of 91 3 Contents Page 1 VERSION ........................................................................................................................................................................... 2 2 TEST SUMMARY ............................................................................................................................................................. 3 3 CONTENTS ....................................................................................................................................................................... 4 4 GENERAL INFORMATION ............................................................................................................................................ 5 4.1 CLIENT INFORMATION................................................................................................................................................... 5 4.2 GENERAL DESCRIPTION OF EUT ................................................................................................................................... 5 4.3 ADDITIONAL INSTRUCTIONS ......................................................................................................................................... 7 4.4 TEST ENVIRONMENT ..................................................................................................................................................... 8 4.5 DESCRIPTION OF SUPPORT UNITS .................................................................................................................................. 8 4.6 STATEMENT OF THE MEASUREMENT UNCERTAINTY ...................................................................................................... 9 4.7 TEST LOCATION .......................................................................................................................................................... 10 4.8 TEST FACILITY ............................................................................................................................................................ 10 4.9 ABNORMALITIES FROM STANDARD CONDITIONS ........................................................................................................ 10 4.10 OTHER INFORMATION REQUESTED BY THE CUSTOMER ............................................................................................... 10 4.11 EQUIPMENT LIST ......................................................................................................................................................... 11 5 TEST RESULTS AND MEASUREMENT DATA ....................................................................................................... 12 5.1 ANTENNA REQUIREMENT ............................................................................................................................................ 12 5.2 CONDUCTED PEAK OUTPUT POWER ............................................................................................................................ 13…

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FCC ID: 2AVLI-EP030 1 Photographs - EUT Test Setup 1.1 Radiated Spurious Emission 9KHz~30MHz: 30MHz~1GHz: FCC ID: 2AVLI-EP030 Above 1GHz: