2ARN3-111011TX4-in-1 Wireless Microphone System

Shenzhen Jiayz photo industrial ., Ltd ADD: A16 Building, Intelligent Terminal Industrial Park of Silicon Valley Power, Guanlan, Longhua District, Shenzhen, China Tel: +86-0755-28435911 Email: [email protected] Date: 2024-03-21 FEDERAL COMMUNICATIONS COMMISSIONS Authorization and Evaluation Division 7435 Oakland Mills Road Columbia, MD 21046 Dear Sir/Madam, Our product 4-in-1 Wireless Microphone System, model: Blink500B2+TX, FCC ID:2ARN3-111011TX, for marketing purpose, this product only supports 2.4GHz FHSS (2402-2480MHz), The other function was disabled to use by manufacture in the software, the end user has no capability to activate it. Signature: Michael zhao Manager

Shenzhen Jiayz photo industrial ., Ltd ADD: A16 Building, Intelligent Terminal Industrial Park of Silicon Valley Power, Guanlan, Longhua District, Shenzhen, China Tel: +86-0755-28435911 Email: [email protected] CFR 47 §2.911(d)(5)(i) Attestation Letter Attestation Letter Date: 2024-03-21 FEDERAL COMMUNICATIONS COMMISSIONS Authorization and Evaluation Division 7435 Oakland Mills Road Columbia, MD 21046 Ref: Attestation Statements CFR 47 §2.911(d)(5)(i) Filing FCC ID:2ARN3-111011TX Shenzhen Jiayz photo industrial ., Ltd 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. Sincerely, Signature Contact Person:Michael Zhao Title: Manager

Shenzhen Jiayz photo industrial ., Ltd ADD: A16 Building, Intelligent Terminal Industrial Park of Silicon Valley Power, Guanlan, Longhua District, Shenzhen, China Tel: +86-0755-28435911 Email: [email protected] FCC Confidential Authorization Date: 2024-03-21 FEDERAL COMMUNICATIONS COMMISSIONS Authorization and Evaluation Division 7435 Oakland Mills Road Columbia, MD 21046 Subject: Confidentiality Request regarding application for certification of FCC ID: 2ARN3-111011TX In accordance with Sections 0.457 and 0.459 of the Commission’s Rules, Shenzhen Jiayz photo industrial ., Ltd hereby requests long-term confidential treatment of information accompanying this application as outlined below:  Block Diagram  Schematics  Operation Description  Parts List 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 Yours, Signature: Michael Zhao Manager

Bay Area Compliance Laboratories Corp. (Shenzhen) Project No.: SZ4231130-71746E-RF Page 1 of 9 EXHIBIT B - EUT EXTERNAL PHOTOGRAPHS TX Bay Area Compliance Laboratories Corp. (Shenzhen) Project No.: SZ4231130-71746E-RF Page 2 of 9 Bay Area Compliance Laboratories Corp. (Shenzhen) Project No.: SZ4231130-71746E-RF Page 3 of 9 Bay Area Compliance Laboratories Corp. (Shenzhen) Project No.: SZ4231130-71746E-RF Page 4 of 9 Bay Area Compliance Laboratories Corp. (Shenzhen) Project No.: SZ4231130-71746E-RF Page 5 of 9 Charging case Bay Area Compliance Laboratories Corp. (Shenzhen) Project No.: SZ4231130-71746E-RF Page 6 of 9 Bay Area Compliance Laboratories Corp. (Shenzhen) Project No.: SZ4231130-71746E-RF Page 7 of 9 Bay Area Compliance Laboratories Corp. (Shenzhen) Project No.: SZ4231130-71746E-RF Page 8 of 9 Bay Area Compliance Laboratories Corp. (Shenzhen) Project No.: SZ4231130-71746E-RF Page 9 of 9

Bay Area Compliance Laboratories Corp. (Shenzhen) Project No.: SZ4231130-71746E-RF EXHIBIT A - FCC ID LABEL AND LOCATION FCC ID Label FCC ID Label Location Information 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)