FCC ID: 2A9MI-Y20 HELMET WIRELESS EARPHONE

FCC ID LABELING AND LOCATION FCC ID Label FCC ID: 2A9MI-Y20 FCC ID Label Location 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)

C5266091_X24_Ed.2 Attestation Statements TO:

Office of Engineering Technology Federal Communications Commission 7435 Oakland Mills Road Columbia, MD 21046 The Commission adopted rules for covered telecommunications equipment and video surveillance equipment produced by entities identified on the Commissions Covered List1, which is periodically updated. See the Covered List for more details. This Attestation Statement is to confirm that we follow the Section 2.911(d)(5)(i)-(ii) that prohibit equipment authorization Applicant Company name: Shenzhen Yixi Technology Co., LTD. Grantee code: 2A9MI FCC ID:

Contact Name:

Address:

District, Shenzhen City Telephone No:

Fax No:

Email: 373899330@qq.com 86-13423817655

2A9MI-Y20 Qisong Wang Second Floor, Building B, Area A, Longquan Science Park, Dalang Huaxing Road, Longhua i. ii.

[Shenzhen Yixi Technology Co., LTD.] (the applicant) certifies that the equipment for which authorization is sought is not covered equipment prohibited from receiving an equipment authorization pursuant to section 2.903 of the FCC rules. The applicant must sign this certification.

[Shenzhen Yixi Technology Co., LTD.] (the applicant) certifies that, as of the date of the filing of the application, the applicant [is not](as a specifically named entity or any of its subsidiaries or affiliates)identified on the Covered List as an entity producing covered equipment. The applicant must sign this certification.

[Shenzhen Yixi Technology Co., LTD.] (the applicant) certifies that, as of the date of the filing of the application, the applicant [is not] identified on the Covered List as an entity producing covered equipment . Date: 2023/07/12 Applicants Name: Shenzhen Yixi Technology Co., LTD. Title: Manager Signature 1 The Commissions Covered List is published by the Public Safety and Homeland Security Bureau and posted on the Commissions website. This Covered List, which is periodically updated, identifies particular equipment, produced by particular entities, that constitutes covered equipment. https://www.fcc.gov/supplychain/coveredlist 1/1

Shenzhen Yixi Technology Co., LTD. C5266091_X10_Ed.2 Office of Engineering Technology Federal Communications Commission 7435 Oakland Mills Road Columbia, MD 21046 Date: 2023-07-12 Subject: Request for Confidentiality FCC ID: 2A9MI-Y20 To Whom It May Concern, Pursuant to the provisions of Sections 0.457 and 0.459 of Commission's rules

(47CFR0.457, 0.459), we are requesting the Commission to withhold the following attachment(s) as confidential document from public disclosure. Exhibits ID Label/Location Attestation Statement External Photos Block Diagram Schematics Test Report Test Setup Photos Users Manual Internal Photos Parts List / Tune Up RF Exposure Info Operational Description Cover Letter(s) SDR Software / Security Info Long-Term Confidentiality Short-Term Confidentiality NOTE 2 No No No No No NOTE 1 NOTE 1 No No No No No No No No NOTE1:LongTermConfidentialitymaybepermittedunderspecialconditions(SeeII.LONGTERMCONFIDENTIALITY,Section3of KDB726920,uselastinforce) NOTE2:ShortTermConfidentialitycanberequestedforamaximumof180daysfromthedateofthegrant. Above mentioned document contains detailed system and equipment description are considered as proprietary information in operation of the equipment. The public disclosure of above documents might be harmful to our company and would give competitor an unfair advantage in the market. In case of short-term Confidentiality, the applicant requests the exhibits selected above are withheld from public view for a period of ______ days from the date of the Grant of Equipment Authorization and prior to marketing. It is our understanding that all measurement test reports, FCC ID label format and correspondent during certification review process cannot be granted as confidential documents and those information will be available for public review once the grant of equipment authorization is issued. 1/1 C5266091_X10_Ed.2 Sincerely, Name: Qisong Wang Date: 2023-07-12 Title: Manager Signature of applicant:

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Shenzhen Yixi Technology Co., LTD. Product Similarity Declaration Product name: HELMET WIRELESS EARPHONE Model name: Y20, H5, YP20, Y20 2x FCC ID/ISED: 2A9MI-Y20 We (Shenzhen Yixi Technology Co., LTD.) hereby state that all the models are electrical identical including the same software parameter and hardware design (i.e., circuit design, PCB Layout, RF module/circuit, antenna type(s) and antenna location, components on PCB, etc.,), same mechanical structure and design (including product enclosure, materials, etc.,), the only difference is the model name and color. Signature:

Name: Qisong Wang Date: 2023-07-12 Title: Manager Signature of applicant:

C5266091_X8_Ed.1 Letter of Authorization Shenzhen Yixi Technology Co., LTD. Company: Shenzhen Yixi Technology Co., LTD. Address: Second Floor, Building B, Area A, Longquan Science Park, Dalang Huaxing Road, Longhua District, Shenzhen City Product Name: HELMET WIRELESS EARPHONE Model Number: Y20, H5, YP20, Y20 2x FCC Identifier:

2A9MI-Y20 We authorize LGAI Technological Center S.A., Ronda de la Font del Carme, s/n, 08193 Bellaterra, Spain, to act on our behalf on all matters concerning the above named equipment. Any individual within LGAI Technological Center S.A. is authorized to act on our behalf and take action on the application. We declare that authorize LGAI Technological Center S.A., Ronda de la Font del Carme, s/n, 08193 Bellaterra, Spain, 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 LGAI Technological Center S.A. on our behalf shall have the same effect as acts of our own. Name: Qisong Wang Date: 2023-07-12 Title: Manager Signature of applicant:

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TianHeng Consulting,LLC Section 2.911(d)(7) USA Agent for Service of Process Company name: Shenzhen Yixi Technology Co., LTD Address: Second Floor, Building B, Area A, Longquan Science Park, Dalang Huaxing Road, Longhua District, Shenzhen City Product Name: HELMET WIRELESS EARPHONE FCC ID: 2A9MI-Y20 Model(s):

Y20, H5, YP20, Y20 2x 2.911(d)(7) USA Designated Agent for Service of Process We, [ Shenzhen Yixi Technology Co., LTD] (the applicant) designate [Agent located in the United States]

NOTE1 for the purpose of accepting service of process on behalf of the applicant. Applicant consent: We Acknowledge our consent to accept service of process in the United States for matters related to the applicable equipment, and at the physical U.S. address and email address of the designated agent and acknowledge our acceptance of our obligation to maintain an agent for service of process in the United States for no less than one year after either the grantee has permanently terminated all marketing and importation of the applicable equipment within the U.S., or the conclusion of any Commission-related administrative or judicial proceeding involving the equipment, whichever is later. Agent obligation: We Acknowledge our obligation to accept service of process in the United States for matters related to the applicable equipment at our physical U.S. address and email address for no less than one year after either the grantee has permanently terminated all marketing and importation of the applicable equipment within the U.S., or the conclusion of any Commission-related administrative or judicial proceeding involving the equipment, whichever is later. USA Agent Applicant Company name:TianHeng Consulting,LLC Company name: Shenzhen Yixi Technology Co., Address:392 Andover Street,Wilmington,MA LTD 01887,United States FRN:0033401258 Contact Name:Hualing Dong Telephone No:(617)997-4010 Address:Second Floor, Building B, Area A, Longquan Science Park, Dalang Huaxing Road, Longhua District, Shenzhen City Contact Name: Qisong.Wang Email:tianhengconsulting@gmail.com Telephone No: 13423817655 Email:373899330@qq.com Signature:Hualing Dong Signature:Qisong.Wang Title:President Date:2023-7-12 Title:

Manager Date:2023-7-12 NOTE 1: An applicant located in the United States may designate itself as the agent for service of process. Reference; Federal Register document 2022-28263 published on 02/06/23 2.911 (d)(7)USA Agent v1.2