2AZH9-RC030Vibration massager

Dongguan Ren Chun Electronics co.,Ltd 2021.04.01 Eurofins MET Labs 914 West Patapsco Avenue Baltimore, MD 21230 RE: CONFIDENTIALITY REQUEST FOR EUT NAME: Vibration massager Trademark: N/A MODEL : RC030, RC031 FCC ID: 2AZH9-RC030 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 - Block Diagram - Schematics - Operational Description required to be submitted with this application be permanently withheld from public review. The above materials contain trade secrets and proprietary information not customarily released to the public. The public disclosure of these materials may be harmful to the applicant and provide unjustified benefits to its competitors. Please contact me if there is any information you may need. Sincerely, Client’s signature: Client’s name / title : Cheng Guiluo/Manager Contact information / address: No. 1, Changchong Second Street, Renzheng Road, Tangchun Village, Liaobu Town, Dongguan City, China

Dongguan Ren Chun Electronics co.,Ltd 2021.04.01 Eurofins MET Labs 914 West Patapsco Avenue Baltimore, MD 21230 RE: LETTER OF AGENT AUTHORIZATION To Whom It May Concern: We, the undersigned, hereby authorize Shenzhen BCTC 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, Client’s signature: Client’s name / title : Cheng Guiluo/Manager Contact information / address: No. 1, Changchong Second Street, Renzheng Road, Tangchun Village, Liaobu Town, Dongguan City, China

Dongguan Ren Chun Electronics co.,Ltd Model Difference 2021-04-02 EUT NAME: Vibration massager FCC ID: 2AZH9-RC030 MODEL : RC030, RC031 All the model are the same circuit and RF module, only for model name and color. Regards Sincerely Client’s signature Client’s signature: Client’s name / title : Cheng Guiluo/Manager Contact information / address: No. 1, Changchong Second Street, Renzheng Road, Tangchun Village, Liaobu Town, Dongguan City, China

External Photos

Size:40*20mm Vibration massager FCC ID: 2AZH9-RC030 Label location

Internal Photos Antenna

No.：BCTC/RF-EMC-005 Page: 1 of 34 Edition：A.3 TEST REPORT Shenzhen BCTC Testing Co., Ltd. Report No.: BCTC2103365209E Applicant: Dongguan Ren Chun Electronics co.,Ltd Product Name: Vibration massager Model/Type Ref.: RC030 Tested Date: 2021-03-19 to 2021-03-25 Issued Date: 2021-03-26 Report No.: BCTC2103365209E No.：BCTC/RF-EMC-005 Page: 2 of 34 Edition：A.3 FCC ID: 2AZH9-RC030 The test report is effective only with both signature and specialized stamp.This result(s) shown in this report refer only to the sample(s) tested. Without written approval of Shenzhen BCTC Testing Co., Ltd, this report can’t be reproduced except in full.The tested sample(s) and the sample information are provided by the client. Product Name: Vibration massager Trademark: N/A Model/Type Ref.: RC030 RC031 Prepared For: Dongguan Ren Chun Electronics co.,Ltd Address: No. 1, Changchong Second Street, Renzheng Road, Tangch un Village, Liaobu Town, Dongguan City, China Manufacturer: Dongguan Ren Chun Electronics co.,Ltd Address: No. 1, Changchong Second Street, Renzheng Road, Tangch un Village, Liaobu Town, Dongguan City, China Prepared By: Shenzhen BCTC Testing Co., Ltd. Address: 1-2/F., Building B, Pengzhou Industrial Park, No.158, Fuyuan 1st Road, Tangwei, Fuhai Subdistrict, Bao'an District, Shenzhen, Guangdong, China Sample Received Date: 2021-03-19 Sample tested Date: 2021-03-19 to 2021-03-25 Issue Date: 2021-03-26 Report No.: BCTC2103365209E Test Standards FCC Part15.231 ANSI C63.10-2013 Test Results PASS Tested by: Approved by: Lei Chen/Project Handler Zero Zhou/Reviewer Report No.: BCTC2103365209E No.：BCTC/RF-EMC-005 Page: 3 of 34 Edition：A.3 TABLE OF CONTENT Test Report Declaration Page 1. VERSION ............................................................ 5 2. TEST SUMMARY ..................................................... 6 3. MEASUREMENT UNCERTAINTY ....................................... 7 4. PRODUCT INFORMATION AND TEST SETUP............................ 8 4.1 Product Information ..................................................... 8 4.2 Test Setup Configuration ................................................ 8 4.3 Support Equipment ..................................................... 9 4.4 Channel List ........................................................... 9 4.5 Test Mode ............................................................. 9 5. TEST FACILITY AND TEST INSTRUMENT USED ........................ 10 5.1 Test Facility ........................................................... 10 5.2 Test Instrument Used .................................................. 11 6. CONDUCTED EMISSIONS ............................................ 13 6.1 Block Diagram Of Test Setup ............................................ 13 6.2 Limit ................................................................. 13 6.3 Test procedure ........................................................ 13 6.4 EUT operating Conditions ............................................... 13 6.5 Test Result ........................................................... 14 7. RADIATED EMISSIONS .............................................. 15 7.1 Block Diagram Of Test Setup ............................................ 15 7.2 Limit ................................................................. 16 7.3 Test procedure ........................................................ 17 7.4 EUT operating Conditions ............................................... 19 7.5 Test Result ........................................................... 20 8. BANDWIDTH TEST .................................................. 24 8.1 Block Diagram Of Test Setup ............................................ 24 8.2 Limit ................................................................. 24 1%-5% BANDWIDTH ...................................................... 24 8.3 Test procedure ........................................................ 24 8.4 EUT operating Conditions ............................................... 24 8.5 Test Result ........................................................... 25 9. CALCULATION OF AVERAGE FACTOR ................................ 26 10. DWEELL TIME....................................................... 28 10.1 Block Diagram Of Test Setup .......................................... 28 10.2 Limit ................................................................ 28 10.3 Test procedure ....................................................... 28 10.4 Test Result .......................................................... 29 11. ANTENNA REQUIREMENT ........................................... 30 11.1 STANDARD REQUIREMENT .......................................... 30 Report No.: BCTC2103365209E No.：BCTC/RF-EMC-005 Page: 4 of 34 Edition：A.3 11.2 EUT ANTENNA ...................................................... 30 12. EUT PHOTOGRAPHS ................................................ 31 13. EUT TEST SETUP PHOTOGRAPHS .................................... 33 (Note: N/A means not applicable) Report No.: BCTC2103365209E No.：BCTC/RF-EMC-005 Page: 5 of 34 Edition：A.3 1. VERSION Report No. Issue Date Description Approved BCTC2103365209E 2021-03-26 Original Valid Report No.: BCTC2103365209E No.：BCTC/RF-EMC-005 Page: 6 of 34 Edition：A.3 2. TEST SUMMARY The Product has been tested according to the following specifications: No. Test Parameter Clause No Results 1 Conducted Emission §15.207 N/A 2 Fundamental &Radiated Spurious Emission Measurement 15.209,15.231b PASS 3 Occupy Bandwidth 15.231c PASS 4 Dwell time 15.231a PASS 5 Antenna Requirement 15.203 PASS Report No.: BCTC2103365209E No.：BCTC/RF-EMC-005 Page: 7 of 34 Edition：A.3 3. MEASUREMENT UNCERTAINTY Where relevant, the following measurement uncertainty levels have been estimated for tests performed on the Product as specified in CISPR 16-4-2. This uncertainty represents an expanded uncertainty expressed at approximately the 95% confidence level using a coverage factor of k=2. No. Item Uncertainty 1 3m camber Radiated spu…

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Report No.: BCTC2103365209E No.：BCTC/RF-EMC-005 Page: 33 of 34 Edition：A.3 13. EUT TEST SETUP PHOTOGRAPHS Radiated Measurement Photos