2A5HP-ZL66CJSmart Watch

Shenzhen Zhilian Shengya Electronic Technology Co. , Ltd. 9/10/2024 Eurofins Electrical and Electronic Testing NA, Inc. 914 West Patapsco Avenue Baltimore, MD 21230 RE: Attestation Statements Part 2.911(d)(5)(i) request for FCC ID: 2A5HP-ZL66CJ Shenzhen Zhilian Shengya Electronic 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. Sincerely, Name: Liping Huang Title: Manager Shenzhen Zhilian Shengya Electronic Technology Co. , Ltd. 9/10/2024 Eurofins Electrical and Electronic Testing NA, Inc. 914 West Patapsco Avenue Baltimore, MD 21230 RE: Attestation Statements Part 2.911(d)(5)(ii) request for FCC ID: 2A5HP-ZL66CJ Shenzhen Zhilian Shengya Electronic 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. Sincerely, Name: Liping Huang Title: Manager

Shenzhen Zhilian Shengya Electronic Technology Co. , Ltd. Difference Description We Shenzhen Zhilian Shengya Electronic Technology Co. , Ltd. state: Product name: Smart Watch Model(s): ZL66CJ, ZL66J, ZL66, ZW10-AMD 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. Signature: September 10, 2024 Name: Liping Huang Position: Manager Company Name: Shenzhen Zhilian Shengya Electronic Technology Co. , Ltd. Address: 5th floor, Building B, Huawan Industrial Park, Xixiang Street, Bao'an District, Shenzhen Tel: 18681075440 Fax: 18681075440 Email: [email protected]

Shenzhen Zhilian Shengya Electronic Technology Co. , Ltd. 9/10/2024 Eurofins Electrical and Electronic Testing NA, Inc. 914 West Patapsco Avenue Baltimore, MD 21230 RE: CONFIDENTIALITY REQUEST FOR Product Name: Smart Watch FCC ID: 2A5HP-ZL66CJ Model(s): ZL66CJ To Whom It May Concern: This letter serves as an official request for confidentiality under sections 0.457 and 0.459 of CFR 47. We have requested that the (Schematic Diagram, Block Diagram, Operational Description) required to be submitted with this application be permanently withheld from public review. 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 Please contact me if there is any information you may need. Sincerely, Signature: September 10, 2024 Name Liping Huang Position Manager Company Name Shenzhen Zhilian Shengya Electronic Technology Co. , Ltd. Address 5th floor, Building B, Huawan Industrial Park, Xixiang Street, Bao'an District, Shenzhen Tel 18681075440 Fax 18681075440 Email [email protected]

Shenzhen Zhilian Shengya Electronic Technology Co. , Ltd. 9/10/2024 Eurofins Electrical and Electronic Testing NA, Inc. 914 West Patapsco Avenue Baltimore, MD 21230 RE: LETTER OF AGENT AUTHORIZATION To Whom It May Concern: We, the undersigned, hereby authorize (Shenzhen PSI Testing Co., Ltd.) to act on our behalf in all matters relating to application for equipment authorization, including the signing of all documents relating to these matters. We also hereby certify that no party to the application authorized hereunder is subject to the denial of benefits, including FCC benefits, pursuant to Section 5301 of the Anti-Drug Abuse Act of 1988, 21 U.S.C.853(a). This agreement expires one year from the current date. Sincerely, Signature: September 10, 2024 Name Liping Huang Position Manager Company Name Shenzhen Zhilian Shengya Electronic Technology Co. , Ltd. Address 5th floor, Building B, Huawan Industrial Park, Xixiang Street, Bao'an District, Shenzhen Tel 18681075440 Fax 18681075440 Email [email protected]

Page 1 of 4 Report No.: psi2408133-C01-R04 Shenzhen PSI Testing Co., Ltd. Tel: 0755-23011775 | E-mail: [email protected] | http://www.psi-lab.com Add: 1-2/F., Building 5, Yudafu Industrial Park, No.10, Xingye West Road, Shajing Subdistrict, Bao'an District, Shenzhen, Guangdong, China Appendix II external photos FCC ID: 2A5HP-ZL66CJ Page 2 of 4 Report No.: psi2408133-C01-R04 Shenzhen PSI Testing Co., Ltd. Tel: 0755-23011775 | E-mail: [email protected] | http://www.psi-lab.com Add: 1-2/F., Building 5, Yudafu Industrial Park, No.10, Xingye West Road, Shajing Subdistrict, Bao'an District, Shenzhen, Guangdong, China Page 3 of 4 Report No.: psi2408133-C01-R04 Shenzhen PSI Testing Co., Ltd. Tel: 0755-23011775 | E-mail: [email protected] | http://www.psi-lab.com Add: 1-2/F., Building 5, Yudafu Industrial Park, No.10, Xingye West Road, Shajing Subdistrict, Bao'an District, Shenzhen, Guangdong, China Page 4 of 4 Report No.: psi2408133-C01-R04 Shenzhen PSI Testing Co., Ltd. Tel: 0755-23011775 | E-mail: [email protected] | http://www.psi-lab.com Add: 1-2/F., Building 5, Yudafu Industrial Park, No.10, Xingye West Road, Shajing Subdistrict, Bao'an District, Shenzhen, Guangdong, China ------End------

Label Location FCC ID: 2A5HP-ZL66CJ Model No.: ZL66CJ

Page 1 of 4 Report No.: psi2408133-C01-R04 Shenzhen PSI Testing Co., Ltd. Tel: 0755-23011775 | E-mail: [email protected] | http://www.psi-lab.com Add: 1-2/F., Building 5, Yudafu Industrial Park, No.10, Xingye West Road, Shajing Subdistrict, Bao'an District, Shenzhen, Guangdong, China Appendix III internal photos FCC ID: 2A5HP-ZL66CJ Page 2 of 4 Report No.: psi2408133-C01-R04 Shenzhen PSI Testing Co., Ltd. Tel: 0755-23011775 | E-mail: [email protected] | http://www.psi-lab.com Add: 1-2/F., Building 5, Yudafu Industrial Park, No.10, Xingye West Road, Shajing Subdistrict, Bao'an District, Shenzhen, Guangdong, China Page 3 of 4 Report No.: psi2408133-C01-R04 Shenzhen PSI Testing Co., Ltd. Tel: 0755-23011775 | E-mail: [email protected] | http://www.psi-lab.com Add: 1-2/F., Building 5, Yudafu Industrial Park, No.10, Xingye West Road, Shajing Subdistrict, Bao'an District, Shenzhen, Guangdong, China Page 4 of 4 Report No.: psi2408133-C01-R04 Shenzhen PSI Testing Co., Ltd. Tel: 0755-23011775 | E-mail: [email protected] | http://www.psi-lab.com Add: 1-2/F., Building 5, Yudafu Industrial Park, No.10, Xingye West Road, Shajing Subdistrict, Bao'an District, Shenzhen, Guangdong, China ------End------ BT ANT

FCC ID: 2A5HP-ZL66CJ Shenzhen PSI Testing Co., Ltd. Tel: 0755-23011775 | E-mail: [email protected] | http://www.psi-lab.com Add: 1-2/F., Building 5, Yudafu Industrial Park, No.10, Xingye West Road, Shajing Subdistrict, Bao'an District, Shenzhen, Guangdong, China RF Exposure evaluation According to 447498 D01 General RF Exposure Guidance v06 The 1-g and 10-g SAR test exclusion thresholds for 100 MHz to 6 GHz at test separation distances ≤ 50 mm are determined by: [(max. power of channel, including tune-up tolerance, mW)/(min. test separation distance, mm)] ·[√f(GHz)] ≤ 3.0 for 1-g SAR and ≤ 7.5 for 10-g extremity SAR, where f(GHz) is the RF channel transmit frequency in GHz Power and distance are rounded to the nearest mW and mm before calculation The result is rounded to one decimal place for comparison BLE: Worse case output power is as below: [2440MHz: 4.84dBm] Antenna Gain is 1.3dBi Maximum output power is 6.14dBm (4.11 mW). (4.11mW /5mm)·[√2.440(GHz)]= 1.28<3.0 for 1-g SAR. Then SAR evaluation is not required.

ANT GianandEfficiency Frequency (MHz) Efficiency(%)Gain(dBi) 228033.540.70 230027.85-0.04 232029.010.44 234026.230.07 236024.64-0.83 238022.00-1.24 240024.76-1.52 242031.570.20 244038.130.87 246039.981.04 248041.931.30 250045.601.66 252044.012.12 254043.242.24 3Dand1DRadiationPatterns Total Power(dBm) -12 4 -8 -4 0 X Y Z Azimuth=0.0 Elevation=0.0 Roll=0.0 Manufacturer:Shenzhen Zhilian Shengya Electronic Technology Co., Ltd Address: 5th floor, Building B, Huawan Industrial Park, Xixiang Street, Bao'an District, Shenzhen Model: ZL66CJ Cut1 Power  (dBm) Angle(? Scale:2/div Min:-12 Max:0 0 180 30 210 60 240 90270 120 300 150 330 Cut2 Power  (dBm) Angle(? Scale:2/div Min:-12 Max:0 0 180 30 210 60 240 90270 120 300 150 330 Cut3 Power  (dBm) Angle(? Scale:1/div Min:-8 Max:3 0 180 30 210 60 240 90270 120 300 150 330

Shenzhen PSI Testing Co., Ltd. Tel: 0755-23011775 | E-mail: [email protected] | http://www.psi-lab.com Add: 1-2/F., Building 5, Yudafu Industrial Park, No.10, Xingye West Road, Shajing Subdistrict, Bao'an District, Shenzhen, Guangdong, China FCC TEST REPORT FCC ID: 2A5HP-ZL66CJ On Behalf of Shenzhen Zhilian Shengya Electronic Technology Co., Ltd Smart Watch Model No.: ZL66CJ, ZL66J, ZL66, ZW10-AMD Prepared for : Shenzhen Zhilian Shengya Electronic Technology Co., Ltd Address : 5th floor, Building B, Huawan Industrial Park, Xixiang Street, Bao'an District, Shenzhen Prepared By : Shenzhen PSI Testing Co., Ltd. Address : 1-2/F., Building 5, Yudafu Industrial Park, No.10, Xingye West Road, Shajing Subdistrict, Bao'an District, Shenzhen, Guangdong, China Report Number : psi2408133-C01-R04 Date of Receipt : August 27, 2024 Date of Test : August 27, 2024- September 02, 2024 Date of Report : September 03, 2024 Version Number : V0 Page 2 of 41 Report No.: psi2408133-C01-R04 Shenzhen PSI Testing Co., Ltd. Tel: 0755-23011775 | E-mail: [email protected] | http://www.psi-lab.com Add: 1-2/F., Building 5, Yudafu Industrial Park, No.10, Xingye West Road, Shajing Subdistrict, Bao'an District, Shenzhen, Guangdong, China TABLE OF CONTENTS Description Page 1. Summary Of Standards And Results ------------------------------------------------------------------------------- 6 1.1. Description of Standards and Results ----------------------------------------------------------------------- 6 2. General Information ----------------------------------------------------------------------------------------------------- 7 2.1. Description of Device (EUT) ----------------------------------------------------------------------------------- 7 2.2. Accessories of Device (EUT) ---------------------------------------------------------------------------------- 8 2.3. Tested Supporting System Details ---------------------------------------------------------------------------- 8 2.4. Block Diagram of Connection Between EUT and Simulators ------------------------------------------ 8 2.5. Test Mode Description ------------------------------------------------------------------------------------------- 9 2.6. Test Conditions -------------------------------------------------------------------------------------------------- 10 2.7. Test Facility ------------------------------------------------------------------------------------------------------- 10 2.8. Measurement Uncertainty ------------------------------------------------------------------------------------ 10 2.9. Test Equipment List -------------------------------------------------------------------------------------------- 11 3. Spurious Emission ----------------------------------------------------------------------------------------------------- 12 3.1. Test Limits -------------------------------------------------------------------------------------------------------- 12 3.2. Block Diagram of Test setup --------------------------------------------------------------------------------- 13 3.3. Test Procedure -------------------------------------------------------------------------------------------------- 14 3.4. Test Results ------------------------------------------------------------------------------------------------------ 15 4. Power Line Conducted Emission --------------------------------------------------------------------------------- 21 4.1. Test Limits -------------------------------------------------------------------------------------------------------- 21 4.2. Test Procedure -------------------------------------------------------------------------------------------------- 21 4.3. Test Setup -------------------------------------------------------------------------------------------------------- 21 4.4. Test Results ------------------------------------------------------------------------------------------------------ 22 5. Out-of-band Emissions ----------------------------------------------------------------------------------------------- 25 5.1. Test Limits -------------------------------------------------------------------------------------------------------- 25 5.2. Test Procedure -------------------------------------------------------------------------------------------------- 25 5.3. Test Setup -------------------------------------------------------------------------------------------------------- 25 5.4. Test Results ------------------------------------------------------------------------------------------------------ 25 6. Conducted Maximum Output Power ----------------------------------------------------------------------------- 31 6.1. Test limits --------------------------------------------------------------------------------------------------------- 31 6.2. Test Procedure -------------------------------------------------------------------------------------------------- 31 6.3. Test Setup -------------------------------------------------------------------------------------------------------- 31 6.4. Test Results ------------------------------------------------------------------------------------------------------ 31 7. Peak Power Spectral Density --------------------------------------------------------------------------------------- 32 7.1. Test limits --------------------------------------------------------------------------------------------------------- 32 7.2. Test Procedure -------------------------------------------------------------------------------------------------- 32 7.3. Test Setup -------------------------------------------------------------------------------------------------------- 32 7.4. Test Results ------------------------------------------------------------------------------------------------------ 32 8. Bandwidth ---------------------------------------------------------------------------------------------------------------- 35 8.1. Test limits -------------------------------------------------------------------------------------------…

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Page 1 of 2 Report No.: psi2408133-C01-R04 Shenzhen PSI Testing Co., Ltd. Tel: 0755-23011775 | E-mail: [email protected] | http://www.psi-lab.com Add: 1-2/F., Building 5, Yudafu Industrial Park, No.10, Xingye West Road, Shajing Subdistrict, Bao'an District, Shenzhen, Guangdong, China Appendix I Test Setup Photo FCC ID: 2A5HP-ZL66CJ Spurious Radiation Emissions Test (<1G) Spurious Radiation Emissions Test (＞1G) Page 2 of 2 Report No.: psi2408133-C01-R04 Shenzhen PSI Testing Co., Ltd. Tel: 0755-23011775 | E-mail: [email protected] | http://www.psi-lab.com Add: 1-2/F., Building 5, Yudafu Industrial Park, No.10, Xingye West Road, Shajing Subdistrict, Bao'an District, Shenzhen, Guangdong, China Conducted emission Test ------End------