FCC ID: 2AJ2H-XK Control board

USB MP3 POWER START STOP Applicablevoltage 12V Functiondescription 1.USBport 2.Lightmodeswitch 3.SOCKET 4.MP3port:ConnectMP3phone 5.PreviousV-:Shortpresstoplayprevioussongtrack,Long presstodecreasevolume 6.NextV+:Shortpresstoplaynextsongtrack,Longpressto increasevolume 7.StopPlay 8.STARTSTOP:Longpress2secondstoturnonoff 9.BatteryIndicator 10.Rabbit:Highspeed 11.Music 12.FM radio : Short press to turn on FM radio, Long press to scan for radiostations 13.Bluetooth 14.Tortoise:Lowspeed

PressturnonBluetooth FCCWarningStatement Changesormodificationsnotexpresslyapprovedbythepartyresponsibleforcompliancecould voidtheusersauthoritytooperatetheequipment.Thisequipmenthasbeentestedandfoundto comply with the limits for a Class B digital device, pursuant to Part 15 of the FCC Rules. These limitsaredesignedtoprovidereasonableprotectionagainstharmfulinterferenceinaresidential installation. This equipment generates uses and can radiate radio frequency energy and, if not installedandusedinaccordancewiththeinstructions,maycauseharmfulinterferencetoradio communications.However,thereisnoguaranteethatinterferencewillnotoccurinaparticular installation. If this equipment does cause harmful interference to radio or television reception, whichcanbedeterminedbyturningtheequipmentoffandon,theuserisencouragedtotryto correcttheinterferencebyoneormoreofthefollowingmeasures:

Reorientorrelocatethereceivingantenna. Increasetheseparationbetweentheequipmentandreceiver. Connecttheequipmentintoanoutletonacircuitdifferentfromthattowhichthereceiveris connected. Consultthedealeroranexperiencedradio/TVtechnicianforhelp. Thisdevicecomplieswithpart15oftheFCCRules.Operationissubjecttothefollowing twoconditions:(1)Thisdevicemaynotcauseharmfulinterference,and

(2) this device must accept any interference received, including interference that may cause undesiredoperation.

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:

Name:

BIAOJUN YAO Title:

General manager Company:

PINGHU WELLYE ELECTRICAL CO.,LTD Date: Nov. 06, 2020

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 Commissions 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 models the function, software and electric circuit are the same, only model named different for commercial 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: