2AGKL-CVS-04True Wireless Earbuds

FCC ID: 2AGKL-CVS-04

Product: True Wireless Earbuds Model No.: T10 FCC ID: 2AGKL-CVS-04 The device have left and right earphones ，the left and right earphones are electrically identical. <Signature>： Name：Tori Qiu Title：Manager Applicant Company：Liangying Industrial CO.,LTD

September 29, 2020 Equipment Autorisation Division Federal Communications Commission 7435 Oakland Mills Road Columbia, MD 21046 FCC ID: 2AGKL-CVS-04 Product Name: True Wireless Earbuds Request for Confidentiality Pursuant to Sections 0.457 and 0.459 of the commissions rules, we hereby request that the following documents be held confidential:  Schematics  Block diagram  Operation description These materials contain trade secrets and proprietary information and are not customarily released to the public. The public disclosure of this information might be harmful to the company and provide unjustified benefits to our competitors. <Signature>： Name：Tori Qiu Title：Manager Applicant Company：Liangying Industrial CO.,LTD

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Size: 2*8mm Printed on the Enclosure FCC ID: 2AGKL-CVS-04

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FCC ID: 2AGKL-CVS-04 RF Exposure Applicable Standard According to §1.1307(b)(5), systems operating under the provisions of this section shall be operated in a manner that ensure that the public is not exposed to radio frequency energy level in excess of the Commission’s guideline. This is a Portable device. The Section 4.3.1 and Appendix A of KDB447498 D01 V05 was used as the guidance. Calculation Result (Worse case) [(max. power of channel, including tune-up tolerance, mW)/(min. test separation distance, mm)] · [√f(GHz)] =0.41/5 * 1.56= 0.13, this value is less than 3.0 for 1-g SAR and ≤ 7.5 for 10-g extremity SAR. The SAR measurement is not necessary.

Report No.: TW2009271E File reference No.: 2020-09-23 Applicant: Liangying Industrial CO., LTD Product: True Wireless Earbuds Model No.: T10 Trademark: AT&T Test Standards: FCC Part 15.247 Test result: It is herewith confirmed and found to comply with the requirements set up by ANSI C63.10, FCC Part 15.247 for the evaluation of electromagnetic compatibility Approved By Jack Chung Manager Dated: September 23, 2020 Results appearing herein relate only to the sample tested The technical reports is issued errors and omissions exempt and is subject to withdrawal at SHENZHEN TIMEWAY TESTING LABORATORIES Zone C, 1st Floor, Block B, Jun Xiang Da Building, Zhongshan Park Road West, Tong Le Village, Nanshan District, Shenzhen, China Tel (755) 83448688, Fax (755) 83442996, E-Mail:[email protected] Report No.: TW2009271E Page 2 of 96 Date: 2020-09-23 The report refers only to the sample tested and does not apply to the bulk. This report is issued in confidence to the client and it will be strictly treated as such by the SHENZHEN TIMEWAY TESTING LABORATORIES. It may not be reproduced rather in its entirety or in part and it may not be used for adverting. The client to whom the report is issued may, however, show or send it . or a certified copy there of prepared by the SHENZHEN TIMEWAY TESTING LABORATORIES. to his customer. Supplier or others persons directly concerned. SHENZHEN TIMEWAY TESTING LABORATORIES. will not, without the consent of the client enter into any discussion of correspondence with any third party concerning the contents of the report. In the event of the improper use of the report. The SHENZHEN TIMEWAY TESTING LABORATORIES. reserves the rights to withdraw it and to adopt any other remedies which may be appropriate. Special Statement： The testing quality ability of our laboratory meet with "Quality Law of People's Republic of China" Clause 19. The testing quality system of our laboratory meets with ISO/IEC-17025 requirements, which is approved by CNAS. This approval result is accepted by MRA of APLAC. Our test facility is recognized, certified, or accredited by the following organizations: CNAS-LAB Code: L2292 The EMC Laboratory has been assessed and in compliance with CNAS-CL01 accreditation criteria for testing Laboratories (identical to ISO/IEC 17025:2005 General Requirements) for the Competence of testing Laboratories. FCC-Registration No.: 744189 The EMC Laboratory has been registered and fully described in a report filed with the (FCC) Federal Communications commission. The acceptance letter from the FCC is maintained in our files. Registration No.: 744189. Industry Canada (IC) —Registration No.:5205A The EMC Laboratory has been registered by Certification and Engineering Bureau of Industry Canada for radio equipment testing with Registration No.: 5205A. A2LA (Certification Number:5013.01) The EMC Laboratory has been accredited by the American Association for Laboratory Accreditation (A2LA). Certification Number:5013.01 Report No.: TW2009271E Page 3 of 96 Date: 2020-09-23 The report refers only to the sample tested and does not apply to the bulk. This report is issued in confidence to the client and it will be strictly treated as such by the SHENZHEN TIMEWAY TESTING LABORATORIES. It may not be reproduced rather in its entirety or in part and it may not be used for adverting. The client to whom the report is issued may, however, show or send it . or a certified copy there of prepared by the SHENZHEN TIMEWAY TESTING LABORATORIES. to his customer. Supplier or others persons directly concerned. SHENZHEN TIMEWAY TESTING LABORATORIES. will not, without the consent of the client enter into any discussion of correspondence with any third party concerning the contents of the report. In the event of the improper use of the report. The SHENZHEN TIMEWAY TESTING LABORATORIES. reserves the rights to withdraw it and to adopt any other remedies which may be appropriate. Test Report Conclusion Content 1.0 General Details ................................................................................................ 4 1.1 Test Lab Details................................................................................................ 4 1.2 Applicant Details.............................................................................................. 4 1.3 Description of EUT .......................................................................................... 4 1.4 Submitted Sample............................................................................................. 4 1.5 Test Duration.................................................................................................... 4 1.6 Test Uncertainty................................................................................................. 4 1.7 Test By.......................................................................................................... 5 2.0 List of Measurement Equipment......................................................................... 6 3.0 Technical Details............................................................................................. 7 3.1 Summary of Test Results..................................................................................... 7 3.2 Test Standards.................................................................................................. 7 4.0 EUT Modification............................................................................................. 7 5.0 Power Line Conducted Emission Test...................................................................... 8 5.1 Schematics of the Test........................................................................................ 8 5.2 Test Method and Test Procedure............................................................................ 8 5.3 Configuration of the EUT.................................................................................... 8 5.4 EUT Operating Condition.....................…

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Conducted Emission Te s t Setup: Radiated Emission Te s t Setup: