2AQA6-H7141Smart Humidifier

Shenzhen Intellirocks Tech. Co., Ltd. Address: No. 2901-2904, 3002, Block C, Section 1, Chuangzhi Yuncheng Building, Liuxian Avenue,Xili Community, Xili Street, Nanshan District, Shenzhen, Guangdong, China Email: [email protected] Tel: 13879893192 Date: 2021/8/11 FEDERAL COMMUNICATIONS COMMISSIONS Authorization and Evaluation Division 7435 Oakland Mills Road Columbia, MD 21046 To whom it may concern: The RF chip, model RTL8720CF, which installed in our product Smart Humidifier, model: H7141, FCC ID: 2AQA6-H7141 supports BDR(GFSK), EDR(π/4-DQPSK, 8DPSK), BLE 1M, BLE 2M functions. For use in America and this chip will not support/enable the BDR(GFSK), EDR(π/4-DQPSK, 8DPSK), BLE 2M. The BDR(GFSK), EDR(π/4-DQPSK, 8DPSK) , BLE 2M function has been shielded by the manufacturer using the software. Sincerely, Yuling Zhan Signature: Title: Manager

Shenzhen Intellirocks Tech. Co., Ltd. Address: No. 2901-2904, 3002, Block C, Section 1, Chuangzhi Yuncheng Building, Liuxian Avenue,Xili Community, Xili Street, Nanshan District, Shenzhen, Guangdong, China Email: [email protected] Tel: 13879893192 FCC Confidential Authorization Date: 2021-08-11 FEDERAL COMMUNICATIONS COMMISSIONS Authorization and Evaluation Division 7435 Oakland Mills Road Columbia, MD 21046 Subject: Confidentiality Request regarding application for certification of FCC ID: 2AQA6-H7141 In accordance with Sections 0.457 and 0.459 of the Commission’s Rules, (Shenzhen Intellirocks Tech. Co., Ltd.) hereby requests long-term confidential treatment of information accompanying this application as outlined below:  Block Diagram  Schematics  Operation Description As well as short-term confidential treatment of information accompanying this application for a period of 90 days after grant is issued as outlined below:  Internal Photos  User’s Manual  External Photos  Test Set-up Photos 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, Yuling Zhan Signature: Title: Manager

Bay Area Compliance Laboratories Corp. (Shenzhen) Project No.: SZ4210722-30597E-RF Page 1 of 3 EXHIBIT B - EUT EXTERNAL PHOTOGRAPHS Bay Area Compliance Laboratories Corp. (Shenzhen) Project No.: SZ4210722-30597E-RF Page 2 of 3 Bay Area Compliance Laboratories Corp. (Shenzhen) Project No.: SZ4210722-30597E-RF Page 3 of 3

Bay Area Compliance Laboratories Corp. (Shenzhen) Project No.: SZ4210722-30597E-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)