July 14, 2021 Federal Communications Commission Authorization & Evaluation Division 7345 Oakland Mills Road Columbia, Maryland 21046 Authority to Act as Agent On our behalf, I appoint BlueAsia of Technical Services(Shenzhen) Co.,Ltd. Building C, No. 107, Shihuan Road, Shiyan Sub-District, Baoan District, Shenzhen, Guangdong Province, China (Name of Agent company name and address) to act as our agent in the preparation of this application for equipment certification. I certify that submitted documents properly describe the device or system for which equipment certification is sought. I also certify that each unit manufactured, imported or marketed, as defined in the Federal Communications Commission’s regulations will have affixed to it a label identical to that submitted for approval with this application. For instances where our authorized agent signs the application for certification on ourbehalf, I acknowledge that all responsibility for complying with the terms and conditionsfor certification, still resides with Dongguan Liesheng Electronic Co., Ltd. Room 401-410, Building 1, No.86 Hongtu Road, Nancheng District, Dongguan City, Guangdong, China.(Applicant Name and address) <Signature> Name: Abby Zhang Title: I Applicant Company:

Cover Letter(s)

DATE: 2021-July-14 Equipment Autorisation Division F ederal Communications Commission 7435 Oakland Mills Road Columbia, MD 21046 F CC ID: 2AMQ6-LS10 Product Name: Haylou RT2 Request for Confidentiality Pursuant to Sections 0.457 and 0.459 of the commissions rules, we hereby request that the following documents be held confidential: ( List here the documents for which you are seeking confidentiality- for example ... ) • Schematics • Block diagram • Operation description These materials contain trade secrets and proprietary information and are not customarily released to the public. The public disclosure of this information might be harmful to the company and provide unjustified benefits to our competitors. <Signature> Name: Abby Zhang Title: I Applicant Company:

External Photos

Model No.: Haylou-LS10

Internal Photos

Model No.: Haylou-LS10

RF Exposure Info

RF Exposure Evaluation Statement Product Name: Haylou RT2 Model No.：Haylou-LS10 FCC ID：2AMQ6-LS10 1.1 RF Exposure Compliance Requirement 1.1.1 Standard Requirement According to KDB447498D01 General RF Exposure Guidance v06 Standalone SAR test exclusion considerations Unless specifically required by the published RF exposure KDB procedures, standalone 1-g head or body and 10-g extremity SAR evaluation for general population exposure conditions, by measurement or numerical simulation, is not required when the corresponding SAR Exclusion Threshold condition, listed below, is satisfied. 1.1.2 Limits 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 17 The result is rounded to one decimal place for comparison The test exclusions are applicable only when the minimum test separation distance is ≤ 50 mm and for transmission frequencies between 100 MHz and 6 GHz. When the minimum test separation distance is < 5 mm, a distance of 5 mm is applied to determine SAR test exclusion 1.1.3 EUT RF Exposure Operational Mode: BLE Channel Maximum Peak Conducted Output Power (dBm) Tune up tolerance (dB) Maximum tune-up Power Calculated value Exclusion threshold (dBm) (mW) 2402MHz -4.98 ±1 -3.980.40 0.12 3.0 2442MHz -5.37 ±1 -4.370.37 0.11 2480MHz -4.26 ±1 -3.260.47 0.15 Conclusion: the calculated value ≤3.0, SAR is exempted.

Test Report

Page 1 of61 BlueAsia of Technical Services(Shenzhen) Co., Ltd. Add: Building C, No. 107, Shihuan Road, Shiyan Sub-District, Baoan District, Shenzhen, Guangdong Province, China Tel: +86-755-23059481 Email: [email protected] www.cblueasia.com TEST REPORT Product Name : Haylou RT2 Brand Mark : Haylou Model No. : Haylou-LS10 FCC ID : 2AMQ6-LS10 Report Number : BLA-EMC-202105-A9802 Date of Sample Receipt : 2021/5/27 Date of Test : 2021/5/27 to 2021/6/24 Date of Issue : 2021/6/24 Test Standard : 47 CFR Part 15, Subpart C 15.247 Test Result : Pass Prepared for: Dongguan Liesheng Electronic Co., Ltd. Room 401-410, Building 1, No.86 Hongtu Road, Nancheng District, Dongguan City, Guangdong, China. Prepared by: BlueAsia of Technical Services(Shenzhen) Co.,Ltd. Building C, No. 107, Shihuan Road, Shiyan Sub-District, Baoan District, Shenzhen, Guangdong Province, China TEL: +86-755-23059481 Compiled by: Review by: Approved by: Date: 2021/6/24 Report No.: BLA-EMC-202105-A9802 Page 2 of61 BlueAsia of Technical Services(Shenzhen) Co., Ltd. Tel: +86-755-23059481 Email: [email protected] www.cblueasia.com REPORT REVISE RECORD Version No. Date Description 00 2021/6/24 Original Report No.: BLA-EMC-202105-A9802 Page 3 of61 BlueAsia of Technical Services(Shenzhen) Co., Ltd. Tel: +86-755-23059481 Email: [email protected] www.cblueasia.com TABLE OF CONTENTS 1 TEST SUMMARY ........................................................................................................................................5 2 GENERAL INFORMATION .........................................................................................................................6 3 GENERAL DESCRIPTION OF E.U.T. .........................................................................................................6 4 TEST ENVIRONMENT ................................................................................................................................7 5 TEST MODE ................................................................................................................................................7 6 MEASUREMENT UNCERTAINTY ..............................................................................................................7 7 DESCRIPTION OF SUPPORT UNIT...........................................................................................................8 8 LABORATORY LOCATION .........................................................................................................................8 9 TEST INSTRUMENTS LIST ........................................................................................................................9 10 CONDUCTED EMISSIONS AT AC POWER LINE (150KHZ-30MHZ)..................................................... 13 10.1 LIMITS .............................................................................................................................................................. 13 10.2 BLOCK DIAGRAM OF TEST SETUP ..................................................................................................................... 13 10.3 PROCEDURE ..................................................................................................................................................... 13 10.4 TEST DATA .......................................................................................................................................................... 15 11 CONDUCTED BAND EDGES MEASUREMENT ..................................................................................... 17 11.1 LIMITS .............................................................................................................................................................. 17 11.2 BLOCK DIAGRAM OF TEST SETUP ..................................................................................................................... 17 11.3 TEST DATA .......................................................................................................................................................... 18 12 CONDUCTED PEAK OUTPUT POWER ................................................................................................. 19 12.1 LIMITS .............................................................................................................................................................. 19 12.2 BLOCK DIAGRAM OF TEST SETUP ..................................................................................................................... 19 12.3 TEST DATA .......................................................................................................................................................... 20 13 MINIMUM 6DB BANDWIDTH .................................................................................................................. 21 13.1 LIMITS .............................................................................................................................................................. 21 13.2 BLOCK DIAGRAM OF TEST SETUP ..................................................................................................................... 21 13.3 TEST DATA .......................................................................................................................................................... 21 14 ANTENNA REQUIREMENT ..................................................................................................................... 22 14.1 CONCLUSION ....................................................................................................................................................... 22 15 RADIATED SPURIOUS EMISSIONS ....................................................................................................... 23 Report No.: BLA-EMC-202105-A9802 Page 4 of61 BlueAsia of Technical Services(Shenzhen) Co., Ltd. Tel: +86-755-23059481 Email: [email protected] www.cblueasia.com 15.1 LIMITS .…

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Test Setup Photos

Model No.: Haylou-LS10