2APL9-AV127Bbicycle audio

Model difference declaration letter Differences Description We Jiangmen Audiovisio Electronics Co., Ltd.state: Product： bicycle audio Model Name： AV127B, AV123, AV125, AV126, AV127A, AV127B, AV128, AV129 Trade Name: NA The above product with same circuit, PCB layout, electrical parts, materials and wiring structures, Appearance shape, the materials of decorative accessories is same, only different color Signatory Name: Jin Ling Date: Oct. 20, 2020 Title: manager Signature of applicant:

C5266091_X8_Ed.1 1/1 Jiangmen Audiovisio Electronics Co., Ltd. Letter of Authorization Company: Jiangmen Audiovisio Electronics Co., Ltd. Address: No.185, Jianshe 3 rd, Jiangmen city Guangdong CHINA. Product Name: Smart watch Model Number: AV127B, AV123, AV125, AV126, AV127A, AV127B, AV128, AV129 FCC Identifier: 2APL9-AV127B We authorize LGAI Technological Center S.A., Ronda de la Font del Carme, s/n, 08193 Bellaterra, Spain, to act on our behalf on all matters concerning the above named equipment. Any individual within LGAI Technological Center S.A. is authorized to act on our behalf and take action on the application. We declare that authorize LGAI Technological Center S.A., Ronda de la Font del Carme, s/n, 08193 Bellaterra, Spain, is allowed to forward all information related to the approval project to the Federal Communication Commission and to discuss any issues concerning the approval application. Any and all acts carried out by LGAI Technological Center S.A. on our behalf shall have the same effect as acts of our own. Name: Jin Ling Date: Oct 20, 2020 Title: manager Signature of applicant:

C5266091_X10_Ed.2 1/1 Jiangmen Audiovisio Electronics Co., Ltd. Office of Engineering Technology Federal Communications Commission 7435 Oakland Mills Road Columbia, MD 21046  Date: Oct. 20,2020 Subject: Request for Confidentiality FCC ID: 2APL9-AV127B To Whom It May Concern, Pursuant to the provisions of Sections 0.457 and 0.459 of Commission's rules (47CFR0.457, 0.459), we are requesting the Commission to withhold the following attachment(s) as confidential document from public disclosure. Exhibits Long-Term Confidentiality Short-Term Confidentiality NOTE 2 ID Label/Location No No Attestation Statement No No External Photos No ☐ Block Diagram ☒ ☐ Schematics ☒ ☐ Test Report No No Test Setup Photos No ☐ User’s Manual ☐ NOTE 1 ☐ Internal Photos ☐ NOTE 1 ☐ Parts List / Tune Up ☐ ☐ RF Exposure Info No No Operational Description ☒ ☐ Cover Letter(s) No No SDR Software / Security Info ☐ No NOTE 1: Long-Term Confidentiality may be permitted under special conditions (See II. LONG-TERM CONFIDENTIALITY, Section 3 of KDB 726920, use last in force) NOTE 2: Short-Term Confidentiality can be requested for a maximum of 180 days from the date of the grant. Above mentioned document contains detailed system and equipment description are considered as proprietary information in operation of the equipment. The public disclosure of above documents might be harmful to our company and would give competitor an unfair advantage in the market. In case of short-term Confidentiality, the applicant requests the exhibits selected above are withheld from public view for a period of ______ days from the date of the Grant of Equipment Authorization and prior to marketing. It is our understanding that all measurement test reports, FCC ID label format and correspondent during certification review process cannot be granted as confidential documents and those information will be available for public review once the grant of equipment authorization is issued. C5266091_X10_Ed.2 1/1 Sincerely, Signature: Name: Jin Ling Title: manager

Page 1 of 1 Report No.:FCS202010012 External photos Photo 1 Photo 2 Page 2 of 1 Report No.:FCS202010012 Photo 3 Photo 4 Page 3 of 1 Report No.:FCS202010012 Photo 5 Photo 6

Label and Label Location FCC ID:2APL9-AV127B L*W: 10mm*5mm White font on a Black label

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FCC Test Report Report No: FCS202010012W01 Issued for Applicant: Jiangmen Audiovisio Electronics Co., Ltd. Address: No.185, Jianshe 3 rd, Jiangmen city Guangdong CHINA. Product Name: bicycle audio Brand Name: NA Model Name: AV127B Series Model: AV123, AV125, AV126, AV127A, AV127B, AV128, AV129 FCC ID: 2APL9-AV127B Issued By: Flux Compliance Service Laboratory Add: Room 105 Floor Bao hao Technology Building 1 NO.15 Gong ye West Road Hi-Tech Industrial, Song shan lake Dongguan Tel: 769-27280901 Fax:769-27280901 http://www.fcs-lab.com Page 2 of 33 Report No.: FCS202010012W01 Flux Compliance Service Laboratory Room 105 Floor Bao hao Technology Building 1 NO.15 Gong ye West Road Hi-Tech Industrial, Song shan lake Dongguan Tel: 769-27280901 Fax:769-27280901 http://www.fcs-lab.com TEST RESULT CERTIFICATION Applicant’s Name ...................: Jiangmen Audiovisio Electronics Co., Ltd. Address ..................................: No.185, Jianshe 3 rd, Jiangmen city Guangdong CHINA. Manufacture's Name ..............: Jiangmen Audiovisio Electronics Co., Ltd. Address ..................................: No.185, Jianshe 3 rd, Jiangmen city Guangdong CHINA. Product Description Product Name ........................: bicycle audio Brand Name .........................: NA Model Name ...........................: AV127B Series Model ..........................: AV123, AV125, AV126, AV127A, AV127B, AV128, AV129 Test Standards .......................: FCC Rules and Regulations Part 15 Subpart C, Section 249 Test Procedure .......................: ANSI C63.10:2013 This device described above has been tested FCS, the test results show that the equipment under test (EUT) is in compliance with the FCC requirements. And it is applicable only to the tested sample identified in the report. This report shall not be reproduced except in full, without the written approval of FCS, this document may be altered or revised by FCS, personal only, and shall be noted in the revision of the document.. Date of Test ............................. : Date (s) of performance of tests : Oct. 12, 2020 ~ Oct. 22, 2020 Date of Issue ............................ : Oct. 22, 2020 Test Result ................................ : Pass Tested by : (Scott Shen) Reviewed by : (Duke Qian) Approved by : (Kait Chen) Page 3 of 33 Report No.: FCS202010012W01 Flux Compliance Service Laboratory Room 105 Floor Bao hao Technology Building 1 NO.15 Gong ye West Road Hi-Tech Industrial, Song shan lake Dongguan Tel: 769-27280901 Fax:769-27280901 http://www.fcs-lab.com Table of Contents Page 1. SUMMARY OF TEST RESULTS 5 1.1 TEST FACTORY 6 1.2 MEASUREMENT UNCERTAINTY 6 2. GENERAL INFORMATION 7 2.1 GENERAL DESCRIPTION OF THE EUT 7 2.2 DESCRIPTION OF THE TEST MODES 9 2.3 DESCRIPTION OF NECESSARY ACCESSORIES AND SUPPORT UNITS 10 2.4 EQUIPMENTS LIST 11 3. CONDUCTED EMISSION MEASUREMENT 12 3.1 LIMIT 12 3.2 TEST PROCEDURE 12 3.3 TEST SETUP 13 3.4 TEST RESULTS 13 4. RADIATED EMISSION MEASUREMENT 16 4.1 LIMIT 16 4.2 TEST PROCEDURE 17 4.3 TEST SETUP 18 4.4 TEST RESULTS 19 5. BAND EDGE TEST 26 5.1 LIMIT 26 5.2 TEST PROCEDURE 26 5.3 TEST SETUP 27 5.4 TEST RESULTS 28 6. 20 DB BANDWIDTH TEST 30 6.1 LIMIT 30 6.2 TEST PROCEDURE 30 6.3 TEST SETUP 30 6.4 TEST RESULTS 31 7. ANTENNA REQUIREMENT 33 7.1 STANDARD REQUIREMENT 33 7.2 EUT ANTENNA 33 Page 4 of 33 Report No.: FCS202010012W01 Flux Compliance Service Laboratory Room 105 Floor Bao hao Technology Building 1 NO.15 Gong ye West Road Hi-Tech Industrial, Song shan lake Dongguan Tel: 769-27280901 Fax:769-27280901 http://www.fcs-lab.com Revision History Rev. Issue Date Effect Page Contents 00 Oct. 22, 2020 All Initial Issue Page 5 of 33 Report No.: FCS202010012W01 Flux Compliance Service Laboratory Room 105 Floor Bao hao Technology Building 1 NO.15 Gong ye West Road Hi-Tech Industrial, Song shan lake Dongguan Tel: 769-27280901 Fax:769-27280901 http://www.fcs-lab.com 1. SUMMARY OF TEST RESULTS FCC Part 15.249,Subpart C Standard Section Test Item Judgment Remark 15.207 Conducted Emission PASS -- 15.205(a), 15.209(a), 15.249(a), 15.249(c) Radiated Spurious Emission PASS -- 15.209 Field strength of fundamental PASS 15.249(d) Band Edge Emission PASS -- 15.215(c) 20dB Bandwidth PASS -- 15.203 Antenna Requirement PASS -- NOTE: (1)” N/A” denotes test is not applicable in this Test Report (2) All tests are according to ANSI C63.10-2013 Page 6 of 33 Report No.: FCS202010012W01 Flux Compliance Service Laboratory Room 105 Floor Bao hao Technology Building 1 NO.15 Gong ye West Road Hi-Tech Industrial, Song shan lake Dongguan Tel: 769-27280901 Fax:769-27280901 http://www.fcs-lab.com 1.1 TEST FACTORY Company Name: Flux Compliance Service Laboratory Address: Room 105 Floor Bao hao Technology Building 1 NO.15 Gong ye West Road Hi-Tech Industrial, Song shan lake Dongguan Telephone: +86-769-27280901 Fax: +86-769-27280901 FCC Test Firm Registration Number: 514908 Designation number: CN0127 A2LA accreditation number：5545.01 1.2 MEASUREMENT UNCERTAINTY The reported uncertainty of measurement y ±U, where expended uncertainty U is based on a standard uncertainty multiplied by a coverage factor of k=2, providing a level of confidence of approximately 95 %. No. Item Uncertainty 1 RF output power, conducted ±0.71dB 2 Unwanted Emissions, conducted ±2.98 dB 3 Conducted Emission (9KHz-150KHz) ±4.13 dB 4 Conducted Emission (150KHz-30MHz) ±4.74 dB 5 All emissions,radiated(<1G) 30MHz-1000MHz ±3.2 dB 6 All emissions,radiated (1GHz -18GHz) ±3.66 dB 7 All emissions,radiated (18GHz -40GHz) ±4.31 dB Page 7 of 33 Report No.: FCS202010012W01 Flux Compliance Service Laboratory Room 105 Floor Bao hao Technology Building 1 NO.15 Gong ye West Road Hi-Tech Industrial, Song shan lake Dongguan Tel: 769-27280901 Fax:769-27280901 http://www.fcs-lab.com 2. GENERAL INFORMATION 2.1 GENERAL DESCRIPTION OF THE EUT Product Name bicycle audio Trade Name NA Model Name AV127B Series Model AV123, AV125, AV126, AV127A, AV127B, AV128, AV129 Model Difference The above product with same circu…

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Page 1 of 2 Report No.:FCS202010012 Blow 1GHz for radiated emission test setup Above 1GHz for radiated emission test setup Page 2 of 2 Report No.:FCS202010012 Conducted Emission test setup