2A43QT04-ATWS bluetooth headset

FCC Warning Statement Changes or modifications not expressly approved by the party responsible for compliance could void the user’s authority to operate the equipment. This equipment has been tested and found to comply with the limits for a Class B digital device, pursuant to Part 15 of the FCC Rules. These limits are designed to provide reasonable protection against harmful interference in a residential installation. This equipment generates uses and can radiate radio frequency energy and, if not installed and used in accordance with the instructions, may cause harmful interference to radio communications. However, there is no guarantee that interference will not occur in a particular installation. If this equipment does cause harmful interference to radio or television reception, which can be determined by turning the equipment off and on, the user is encouraged to try to correct the interference by one or more of the following measures: ‐‐ Reorient or relocate the receiving antenna. ‐‐ Increase the separation between the equipment and receiver. ‐‐ Connect the equipment into an outlet on a circuit different from that to which the receiver is connected. ‐‐ Consult the dealer or an experienced radio/TV technician for help. This device complies with Part 15 of the FCC Rules. Operation is subject to the following two conditions: (1)This device may not cause harmful interference, and (2)This device must accept any interference received, including interference that may cause undesired operation.

< Shenzhen Yingruier Technology Co., Ltd.> Office of Engineering Technology Federal Communications Commission 7435 Oakland Mills Road Columbia, MD21046 Date: Mar. 24, 2022 Subject; Request for Long Term Confidentiality FCC ID: 2A43QT04-A To Whom It May Concern, Pursuant to the provisions of the Commission’s rules Title 47 Sections §0.457 and §0.459, we are requesting the Commission to withhold the following attachment(s) as confidential documents from public disclosure indefinitely. These documents contain detailed system and equipment descriptions and are considered as proprietary information in operation of the equipment. The public disclosure of these documents might be harmful to our company and would give competitors an unfair advantage in the market. Schematic Diagram Block Diagram Parts List Operational Description Tune-up Procedure It is our understanding that all measurement test reports, FCC ID label format and correspondence during the certification review process cannot be granted as confidential documents and this information will be available for public review once the grant of equipment authorization is issued. Sincerely, Signature: Name: Ronglin Huang Title: Manager

Shenzhen Yingruier Technology Co., Ltd. Letter of Authorization Company: Shenzhen Yingruier Technology Co., Ltd. Address: Room 503, Floor 5th, Building 6th, Shuiku Road No.2, Nankeng Village, Bantian Street, Longgang, LoDistrict, Shenzhen City, Guangdong Province, China Product name: TWS bluetooth headset Trade name: N/A Model name: T04-A, T05-A, T06-A, T07-A, T08-A, T09-A, T10-A, T11-A, T12-A, T13-A, T14-A, T15-A FCC Identifier: 2A43QT04-A We authorize MiCOM LabsInc, 575 Boulder Court, Pleasanton, California94566, USA, to act on our behalf on all matters concerning the above named equipment. Any individual within MiCOM Labs is authorized to act on our behalf and take action on the application. We declare that MiCOM LabsInc, 575 Boulder Court, Pleasanton, California 94566, USA, is allowed to forward all information related to the approval project to the Federal Communication Commission and to discuss any issues concerning the approval application. Any and all acts carried out by MiCOM Labs on our behalf shall have the same effect as acts of our own. Name: Ronglin Huang Date: Mar. 24, 2022 Title: Manager Signature of applicant:

Model Difference Declaration To Whom It May Concern, We, Shenzhen Yingruier Technology Co., Ltd. FCC ID: 2A43QT04-A Product: TWS bluetooth headset Trade Name: N/A Model Number: T04-A, T05-A, T06-A, T07-A, T08-A, T09-A, T10-A, T11-A, T12-A, T13-A, T14-A, T15-A All model’s the function, software and electric circuit are the same, only with a product color and model named different. Test sample model: T04-A. Please contact me if you have any question. Name: Ronglin Huang Date: Mar. 24, 2022 Title: Manager Signature of applicant:

Model: T04-A Model: T04-A Model: T04-A Model: T04-A

FCC ID LABEL: Label Location: FCC ID: 2A43QT04-A Product name: TWS bluetooth headset Model name: T04-A Long:1.5cm Width:1cm

Model: T04-A Model: T04-A Model: T04-A Model: T04-A Chip Antenna

Page 1 of 39 Report No.: UNIA22031422ER-61 FCC RADIO TEST REPORT FCC ID: 2A43QT04-A Sample ： TWS bluetooth headset Trade Name ： N/A Main Model ： T04-A Additional Model： T05-A, T06-A, T07-A, T08-A, T09-A, T10-A, T11-A, T12-A, T13-A, T14-A, T15-A Report No.： UNIA22031422ER-61 Prepared for Shenzhen Yingruier Technology Co., Ltd. Room 503, Floor 5th, Building 6th, Shuiku Road No.2, Nankeng Village, Bantian Street, Longgang, LoDistrict, Shenzhen City, Guangdong Province, China Prepared by Shenzhen United Testing Technology Co., Ltd. 2F, Annex Bldg, Jiahuangyuan Tech Park, #365 Baotian 1 Rd, Tiegang Community, Xixiang Str, Bao'an District, Shenzhen, China Page 2 of 39 Report No.: UNIA22031422ER-61 TEST RESULT CERTIFICATION Applicant ............................. Shenzhen Yingruier Technology Co., Ltd. Address ................................ Room 503, Floor 5th, Building 6th, Shuiku Road No.2, Nankeng Village, Bantian Street, Longgang, LoDistrict, Shenzhen City, Guangdong Province, China Manufacturer ....................... Shenzhen Kangchen Electronic Co., Ltd. Address ................................ 8 / F, Building B, Ruixiangfa Industrial Park No. 3, Shangxue Science Park, Bantian, Longgang District, Shenzhen, China, 518116 Product description Product ..................................... TWS bluetooth headset Trade Name .......................... N/A Model Name ......................... T04-A, T05-A, T06-A, T07-A, T08-A, T09-A, T10-A, T11-A, T12-A, T13-A, T14-A, T15-A Test Methods ....................... FCC Rules and Regulations Part 15 Subpart C Section 15.249, ANSI C63.10: 2013 This device described above has been tested by Shenzhen United Testing Technology Co., Ltd., and the test results show that the equipment under test (EUT) is in compliance with the FCC requirements. And it is applicable only to the tested sample identified in the report. This report shall not be reproduced except in full, without the written approval of UNI, this document may be altered or revised by Shenzhen United Testing Technology Co., Ltd., personnel only, and shall be noted in the revision of the document. Date of Test ............................................ Date (s) of performance of tests ............. Mar. 14, 2022 ~ Apr. 01, 2022 Date of Issue ........................................... Apr. 06, 2022 Test Result ............................................... Pass Prepared by: Jackson Fang/Editor Reviewer: Kahn yang/Supervisor Approved & Authorized Signer: Liuze/Manager Page 3 of 39 Report No.: UNIA22031422ER-61 Table of Contents Page 1 TEST SUMMARY ......................................................................................................................................................... 4 2 GENERAL INFORMATION ............................................................................................................................................ 6 2.1 GENERAL DESCRIPTION OF EUT ..................................................................................................................................... 6 2.2 CARRIER FREQUENCY OF CHANNELS ............................................................................................................................. 7 2.3 TEST MODE .................................................................................................................................................................... 7 2.4 TEST SETUP .................................................................................................................................................................... 8 2.5 DESCRIPTION TEST PERIPHERAL AND EUT PERIPHERAL ................................................................................................. 8 2.6 MEASUREMENT INSTRUMENTS LIST .............................................................................................................................. 9 3 CONDUCTED EMISSION ............................................................................................................................................ 10 3.1 TEST LIMIT .................................................................................................................................................................... 10 3.2 TEST SETUP .................................................................................................................................................................. 10 3.3 TEST PROCEDURE ......................................................................................................................................................... 11 3.4 TEST RESULT ................................................................................................................................................................. 11 4 RADIATED EMISSION ................................................................................................................................................ 14 4.1 TEST LIMIT .................................................................................................................................................................... 14 4.2 TEST SETUP .................................................................................................................................................................. 15 4.3 TEST PROCEDURE ......................................................................................................................................................... 16 4.4 TEST RESULT ................................................................................................................................................................. 16 5 BAND EDGE .............................................................................................................................................................. 28 5.1 TEST LIMIT ............................................................................................................................…

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Model: T04-A Radiated Emission test Model: T04-A Conducted Emission test