2AC8UM04FSmartwatch

Anhui Huami Information Technology Co.,Ltd. To: SGS North America Inc. 620 Old Peachtree Road SUITE 100 Suwanee, Georgia United States From: Anhui Huami Information Technology Co.,Ltd. 12 Floor Building A4, National Animation Base, No.800 Wangjiang Road, Hefei,Anhui,China Regarding: Confidentiality Request regarding application for FCC ID： 2AC8UM04F LONG TERM CONFIDENTIALITY Pursuant to 47 CFR Section 0.459 and 0.457 of the commission’s rules, the applicant hereby request confidential treatment of the documents listed below, associated with the certification application referenced above. Schematic(s) Block Diagrams Operational Descriptions The documents above contain proprietary information not released to the public. Public disclosure of this information may prove harmful to the business of the applicant. SHORT TERM CONFIDENTIALITY Additionally, the applicant requests the following documents be held confidential until the device is marketed or 180 days from the grant date, whichever is less. If the device is marketed within 180 days of the Grant Date, the applicant will notify the TCB per FCC KDB 726920 D01 Confidentiality Request Procedures. External Photos Internal Photos Test Setup Photos User manual(s) Sincerely, Signature: Printed Name : Guoze Cheng Title: Project Manager Company Name:Anhui Huami Information Technology Co.,Ltd.

SGS-CSTC Standards Technical Services Co., Ltd. Shanghai Branch Page: 1 of 5 Page 1 of 5 External Photos Applicant: Anhui Huami Information Technology Co., Ltd. Address of Applicant: Room 1201, Building A4, National Animation Industry Base, No. 800 Wangjiang West Road, Gaoxin District, Hefei, Anhui, China Equipment Under Test (EUT): Product Name: Smartwatch Model No.: M04F SGS-CSTC Standards Technical Services Co., Ltd. Shanghai Branch Page: 2 of 5 Page 2 of 5 SGS-CSTC Standards Technical Services Co., Ltd. Shanghai Branch Page: 3 of 5 Page 3 of 5 SGS-CSTC Standards Technical Services Co., Ltd. Shanghai Branch Page: 4 of 5 Page 4 of 5 SGS-CSTC Standards Technical Services Co., Ltd. Shanghai Branch Page: 5 of 5 Page 5 of 5 End

Remark ：The product is small to place the FCC statement on the product and it be placed in the user manual which the device is marketed.

SGS-CSTC Standards Technical Services Co., Ltd. Shanghai Branch Page: 1 of 6 Page 1 of 6 Internal Photos Applicant: Anhui Huami Information Technology Co., Ltd. Address of Applicant: Room 1201, Building A4, National Animation Industry Base, No. 800 Wangjiang West Road, Gaoxin District, Hefei, Anhui, China Equipment Under Test (EUT): Product Name: Smartwatch Model No.: M04F SGS-CSTC Standards Technical Services Co., Ltd. Shanghai Branch Page: 2 of 6 Page 2 of 6 SGS-CSTC Standards Technical Services Co., Ltd. Shanghai Branch Page: 3 of 6 Page 3 of 6 SGS-CSTC Standards Technical Services Co., Ltd. Shanghai Branch Page: 4 of 6 Page 4 of 6 SGS-CSTC Standards Technical Services Co., Ltd. Shanghai Branch Page: 5 of 6 Page 5 of 6 SGS-CSTC Standards Technical Services Co., Ltd. Shanghai Branch Page: 6 of 6 Page 6 of 6 End

SGS-CSTC Standards Technical Services Co., Ltd. Shanghai Branch Report No.: SHEM190601453402 Page: 1 of 8 Parlam Zhan E&E Section Manager The manufacturer should ensure that all products in series production are in conformity with the product sample detailed in this report. If the product in this report is used in any configuration other than that detailed in the report, the manufacturer must ensure the new system complies with all relevant standards. Any mention of SGS International Electrical Approvals or testing done by SGS International Electrical Approvals in connection with, distribution or use of the product described in this report must be approved by SGS International Electrical Approvals in writing. 1 Cover Page RF Exposure REPORT Application No.: SHEM1906014534CR FCC ID: 2AC8UM04F IC: 21806-M04F Applicant: Anhui Huami Information Technology Co., Ltd. Address of Applicant: Room 1201, Building A4, National Animation Industry Base, No. 800 Wangjiang West Road, Gaoxin District, Hefei, Anhui, China Manufacturer: Anhui Huami Information Technology Co., Ltd. Address of Manufacturer: Room 1201, Building A4, National Animation Industry Base, No. 800 Wangjiang West Road, Gaoxin District, Hefei, Anhui, China Factory: Shenzhen Yecon Industry Co., Ltd. Address of Factory: Section A of Floor 6 and Floor 1 to Floor 5, No. 101, No. 2 Building, District 6th, Cuigang Industrial Zone, Huaide, Fuyong, Bao'an District, Shenzhen City, Guangdong Province, P. R. China Equipment Under Test (EUT): EUT Name: Smartwatch Model No.: M04F Add Model No.: M04J Trade Mark: TIMEX Standard(s) : FCC Rules 47 CFR §2.1093 KDB447498 D01 General RF Exposure Guidance v06 RSS-102 Issue 5 (March 2015) Date of Receipt: 2019-06-25 Date of Test: 2019-07-03 to 2019-07-10 Date of Issue: 2019-12-24 Test Result: Pass* * In the configuration tested, the EUT complied with the standards specified above. SGS-CSTC Standards Technical Services Co., Ltd. Shanghai Branch Report No.: SHEM190601453402 Page: 2 of 8 Revision Record Version Description Date Remark 00 Original 2019-12-24 / Authorized for issue by: Bill Wu / Project Engineer Parlam Zhan / Reviewer SGS-CSTC Standards Technical Services Co., Ltd. Shanghai Branch Report No.: SHEM190601453402 Page: 3 of 8 2 Contents Page 1 COVER PAGE ................................................................................................................................................. 1 2 CONTENTS ..................................................................................................................................................... 3 3 GENERAL INFORMATION ......................................................................................................................... 4 3.1 GENERAL DESCRIPTION OF E.U.T. ................................................................................................................. 4 3.2 DETAILS OF E.U.T. ........................................................................................................................................ 4 3.3 TEST LOCATION ............................................................................................................................................. 5 3.4 TEST FACILITY ............................................................................................................................................... 5 4 TEST STANDARDS AND LIMITS .............................................................................................................. 6 4.1 FCC RADIOFREQUENCY RADIATION EXPOSURE LIMITS .................................................................................. 6 4.2 IC RADIOFREQUENCY RADIATION EXPOSURE LIMITS ..................................................................................... 7 5 MEASUREMENT AND CALCULATION ................................................................................................... 8 5.1 MAXIMUM TRANSMIT POWER ........................................................................................................................ 8 5.2 RF EXPOSURE CALCULATION ........................................................................................................................ 8 SGS-CSTC Standards Technical Services Co., Ltd. Shanghai Branch Report No.: SHEM190601453402 Page: 4 of 8 3 General Information 3.1 General Description of E.U.T. Power supply: DC 3.8V 200mAh rechargeable Li-ion battery Test voltage: DC 3.8V Cable: USB Cable 80cm 3.2 Details of E.U.T. Antenna Gain 0.5dBi Antenna Type Integral Antenna Channel Spacing 2MHz Modulation Type GFSK Number of Channels 40 Operation Frequency 2402MHz to 2480MHz SGS-CSTC Standards Technical Services Co., Ltd. Shanghai Branch Report No.: SHEM190601453402 Page: 5 of 8 3.3 Test Location All tests were performed at: SGS-CSTC Standards Technical Services Co., Ltd. Shanghai Branch 588 West Jindu Road, Xinqiao, Songjiang, 201612 Shanghai, China. Tel: +86 21 6191 5666 Fax: +86 21 6191 5678 3.4 Test Facility The test facility is recognized, certified, or accredited by the following organizations: • CNAS (No. CNAS L0599) CNAS has accredited SGS-CSTC Standards Technical Services (Shanghai) Co., Ltd. to ISO/IEC 17025:2005 General Requirements for the Competence of Testing and Calibration Laboratories (CNAS-CL01 Accreditation Criteria for the Competence of Testing and Calibration Laboratories) for the competence in the field of testing. • NVLAP (Certificate No. 201034-0) SGS-CSTC Standards Technical Services (Shanghai) Co., Ltd. is accredited by the National Voluntary Laboratory Accreditation Program(NVLAP). Certificate No. 201034-0. • FCC –Designation Number: CN5033 SGS-CSTC Standards Technical Services (Shanghai) Co., Ltd. has been recognized as an accredited testing laboratory. Designation Number: CN5033. Test Firm Registration Number: 479755. • Innovation, Science and Economic Development Canada SGS-CSTC Standards Technical Services (Shanghai) Co., Ltd. EMC Laboratory has been recognize…

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