2AJ2H-XKControl board

USB MP3 POWER START Applicable voltage ˖ 12V Function description1.USB port 2. Light mode switch 3.SOCKET 4.MP3 port: Connect MP3 /phone 5. Previous /V-: Short press to play previous song /track , Long press to decrease volume 6. Next /V+: Short press to play next song /track , Long press to increase volume 7. Stop/Play 8.START/STOP: Long press 2 seconds to turn on /off9.Battery Indicator 10. Rabbit: High speed11. Music12.FM radio : Short press to turn on FM radio, Long press to scan for radio stations 13. Bluetooth ˗ Press turn on Bluetooth 14. Tortoise: Low speed STOP FCC Warning Statement Changes or modifications not expressly approved by the party responsible for compliance could void the user’s authority to operate the equipment. This equipment has been tested and found to comply with the limits for a Class B digital device, pursuant to Part 15 of the FCC Rules. These limits ar e designed to provide reasonable protection against harmful interference in a residential installation. This equipment generates uses and can radiate radio frequency energy and, if not installed and used in accordance with the instructions, may cause harmful interference to radio communications. However, there is no guarantee that interference will not occur in a par ticular installation. If this equipment does cause harmful interference to radio or television reception, which can be determined by turning the equipment off and on, the user is encouraged to try to correct the interference by one or more of the following measures: ‐‐ Reorient or relocate the r eceiving antenna. ‐‐ Increase the separation between the equipment and receiver. ‐‐Connect the equipment into an outlet on a circuit different from that to which the receiver is connected. ‐‐ Consult the dealer or an experienced radio/TV technician for help. This device complies with part 15 of the FCC Rules. Oper ation is subject to the following two conditions: (1) This device may not cause harmful interference, and (2) this device must accept any interference received, including interference that may cause undesired operation.

PINGHU WELLYE ELECTRICAL CO.,LTD Agent Authorization Company: PINGHU WELLYE ELECTRICAL CO.,LTD Address: NO.8 Jinhui Road, Xingcang Town, Pinghu, Chin Product Name: Control board Model Number(s): XK Control board, BC Control board, BCG Control board, AD Control board Product Description: Control board We authorize MiCOM Labs Inc., 575 Boulder Court, Pleasanton, California 94566, USA, to act on our behalf on all matters concerning the certification of above named equipment. We declare that MiCOM Labs Inc. is allowed to forward all information related to the approval and certification of equipment to the regulatory agencies as required and to discuss any issues concerning the approval application. Any and all acts carried out by MiCOM Labs on our behalf shall have the same effect as acts of our own. Signature: Date: Nov. 06, 2020 Name: BIAOJUN YAO Title: General manager Company: PINGHU WELLYE ELECTRICAL CO.,LTD

PINGHU WELLYE ELECTRICAL CO.,LTD Office of Engineering Technology Federal Communications Commission 7435 Oakland Mills Road Columbia, MD 21046 USA Date: Nov. 06, 2020 Subject; Request for Confidentiality FCC ID: 2AJ2H-XK To Whom It May Concern, Pursuant to the provisions of the Commission’s rules Title 47 Sections §0.457 and §0.459, we are requesting the Commission to withhold the following attachment(s) as confidential documents from public disclosure indefinitely. 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. Schematic Diagram Block Diagram Parts List Operational Description Tune-up Procedure It is our understanding that all measurement test reports, FCC ID label format and correspondence during the certification review process cannot be granted as confidential documents and this information will be available for public review once the grant of equipment authorization is issued. Sincerely, Signature: Name: BIAOJUN YAO Title: General manager

Model Difference Declaration To Whom It May Concern, We,PINGHU WELLYE ELECTRICAL CO.,LTD(Control board ) Trademark: N/A; Model Number: XK Control board, BC Control board, BCG Control board, AD Control board All model’s the function, software and electric circuit are the same, only model named different for c ommercial purpose. Test sample model: XK Control board Please contact me if you have any question. Name: BIAOJUN YAO Date: Nov. 06, 2020 Title: General manager Signature of applicant:

Annex A External Photos Report No.:HK2011023216-E Page 1 of 3 Report No.:HK2011023216-E Page 2 of 3 Report No.:HK2011023216-E Page 3 of 3

FCC ID LABEL: Ca. 8mm x 10mm Label Location FCC ID: 2AJ2H-XK

Annex B Internal Photo Report No.:HK2011023216-E Page 1 of 2 Antenna Report No.HK2011023216-E Page 2 of 2

MPE ESTIMATION FCC ID: 2AJ2H-XK 1, Limit for General Population/ Uncontrolled Exposures Frequency Power density (mW/ cm 2 ) Averaging time(minutes) 300MHz----1.5GHz F/1500 30 1.5GHz---100GHz 1.0 30 2, Estimation Result For BT Mode Max PK Output power(dBm) Tune Up Power(dBm) Max Tune Up power(mW) Antenna Gain(dBi) Antenna Gain (linear) MPE (mW/cm²) BT -0.29 -1±1(0) 1 0 1 0.0002 Note: Note: The estimation distance is 20cm The device could not transmit simultaneously in BT Note: PK Output power= conducted power. Conducted power see the test report HK2011023216-E Gantenna gain=0dBi when the minimum test separation distance is >20 cm, a distance of 20 cm is applied to determine RF Exposure test exclusion. The test exclusion threshold is 0.0002mW/cm² which is< 1.0mW/cm², RF Exposure testing is not required. -------The End-------

Page 1 of 43 Report No.: HK2011023216-E TEST REPORT FCC PART 15 SUBPART C 15.247 Test report On Behalf of PINGHU WELLYE ELECTRICAL CO.,LTD For Control board Model No.: XK Control board, BC Control board, BCG Control board, AD Control board FCC ID: 2AJ2H-XK Prepared for : PINGHU WELLYE ELECTRICAL CO.,LTD NO.8 Jinhui Road, Xingcang Town, Pinghu, China Prepared By : Shenzhen HUAK Testing Technology Co., Ltd. 1F, B2 Building, Junfeng Zhongcheng Zhizao Innovation Park, Fuhai Street, Bao'an District, Shenzhen City, China Date of Test: Oct. 29, 2020 ~Nov. 05, 2020 Date of Report: Nov. 05, 2020 Report Number: HK2011023216-E Page 2 of 43 Report No.: HK2011023216-E TEST RESULT CERTIFICATION Applicant’s name ................. : PINGHU WELLYE ELECTRICAL CO.,LTD Address ................................. : NO.8 Jinhui Road, Xingcang Town, Pinghu, Chin Manufacture's Name ............ : PINGHU WELLYE ELECTRICAL CO.,LTD Address ................................. : NO.8 Jinhui Road, Xingcang Town, Pinghu, Chin Product description Trade Mark: N/A Product name ........................... : Control board Model and/or type reference : XK Control board, BC Control board, BCG Control board, AD Control board Standards ............................. : 47 CFR FCC Part 15 Subpart C 15.247 This publication may be reproduced in whole or in part for non-commercial purposes as long as the Shenzhen HUAK Testing Technology Co., Ltd. is acknowledged as copyright owner and source of the material. Shenzhen HUAK Testing Technology Co., Ltd. takes no responsibility for and will not assume liability for damages resulting from the reader's interpretation of the reproduced material due to its placement and context. Date of Test ............................................ : Date (s) of performance of tests ............. : Oct. 29, 2020 ~Nov. 05, 2020 Date of Issue ........................................... : Nov. 05, 2020 Test Result ............................................... : Pass Prepared by: Project Engineer Reviewed by: Project Supervisor Approved by: Technical Director Page 3 of 43 Report No.: HK2011023216-E Table of Contents Page 1. SUMMARY............................................................................................................................................................ 5 1.1. TEST STANDARDS ..................................................................................................................................................... 5 1.2. TEST DESCRIPTION ........................................................................................................................................................ 5 1.3. TEST FACILITY .............................................................................................................................................................. 6 1.4. STATEMENT OF THE MEASUREMENT UNCERTAINTY ............................................................................................................... 6 2. GENERAL INFORMATION ....................................................................................................................................... 7 2.1. ENVIRONMENTAL CONDITIONS ........................................................................................................................................ 7 2.2. GENERAL DESCRIPTION OF EUT ...................................................................................................................................... 7 2.3. DESCRIPTION OF TEST MODES AND TEST FREQUENCY .......................................................................................................... 8 2.4. EQUIPMENTS USED DURING THE TEST .............................................................................................................................. 9 2.5. RELATED SUBMITTAL(S) / GRANT (S) .............................................................................................................................. 10 2.6. MODIFICATIONS ......................................................................................................................................................... 10 2.7. DESCRIPTION OF TEST SETUP ................................................................................................................................ 10 3. TEST CONDITIONS AND RESULTS ......................................................................................................................... 11 3.1. CONDUCTED EMISSIONS TEST ....................................................................................................................................... 11 3.2. RADIATED EMISSIONS AND BAND EDGE .......................................................................................................................... 13 3.3. MAXIMUM PEAK CONDUCTED OUTPUT POWER ............................................................................................................... 24 3.4. 20DB BANDWIDTH ..................................................................................................................................................... 25 3.5. FREQUENCY SEPARATION ............................................................................................................................................. 28 3.6. NUMBER OF HOPPING FREQUENCY ................................................................................................................................. 30 3.7. TIME OF OCCUPANCY (DWELL TIME) .............................................................................................................................. 32 3.8. OUT‐OF‐BAND EMISSIONS ............................................................................................................................................ 35 3.9. PSEUDORANDOM FREQUENCY HOPPING SEQUENCE .......................................................................................................... 40 3.10. ANTENNA REQUIREMENT..…

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Test Model：XK Control board Radiated Emission