2A3IA-C20Car MP3 player

C20 USER MANUAL Operating Instructions Thank you very much for buying this product.You are advised to read this user manual carefully before using this product. We sincerely hope this product will bring you a lot of convenient and fun while you are driving. This product is a Car MP3 player , it uses a dedicated 5.0 high-perf ormance Bluet ooth module, and built-in high-quality MP3/WAV decoder chip. It can transfer the music inside the U disk and TF card to the car audio, as long as your phone supports Bluet ooth. After the connection is successful, the music can be sent to your car audio through the car FM. You can enjo y the music without modifying your car. If there is an incoming call, the caller number will be automatically broadcast. After answering, you can switch your call to hands-free status and continue playing music after the call ends (which make your driving safer and enjoy music). 1.Bluetooth mode: (1) Put this product into the car cigarette lighter, open the phone Bluetooth, search for the Bluetooth name: BT-CAR Kit, click the connection pairing successfully, and then match the FM frequency. You can listen to music or make a call. (2) When there is an incoming call, the product can broadcast the caller’s telephone number. (3) When call is coming, press the phone button to answer the call automatically. (4) If you want to reject the call, press and hold the phone button. (5) Switch : double-click switch bluetooth mode, TF mode and U drive mode . (6) When you turn on the mobile phone GPS navigation, you can use the car's audio broadcast GPS navigation to make your driving more secure. 2. TF card/U disk mode: (1)Insert the TF card, the car audio automatically plays the music in the TF card. (2)You can control the music volume by press and , the volume is adjusted to 26 is the best, you can also control the volume through the car volume button. (3)Insert the U disk into the USB port with music symbols, it can play the songs in the U disk. 3. FM function: (1) If you want to change the FM frequency, long press button for 3 seconds to activate the frequency. When the display is flashing, you can use and quickly select the frequency. (2) Switch songs, you can switch songs by button that printing and (3) The frequency range of the car MP3 is 87.5-108.0MHZ, when the product is light, the display will show a frequency, in order to use the sound quality to achieve the best, the car frequency is adjusted to an empty frequency, then match frequency for product. 4.Colorful ambient lighting (7+1) mode: (1) when power-on, the light show the mixed seven color lighting first. (2) If you need a single color, you can press button (3) The seven colors are: green, blue, red, light blue, light green, purple, blue and white. (4) If you need to turn off the light, press the button 8 times to turn off the light. 5.Charging function: It supportdual USB charging, single USB maximum current support 5V 3.1A 6.Power-off memory: When this product is powered off, it remembers the frequency that is used and the music in TF card that is played before when it is turned down. When this product is restarted again, it will continue play music that you listen to last time. Technical Parameters: Working voltage: 12-24V Daul USB output: 5V 3.1A/5V 1A Play format: MP3 WAV SNR: >60DB Distortion: <0.1% Bluetooth version: 5.0 Bluetooth sound processing: A2DP (Advanced Audio Distribution Mode) function support Bluetooth transmission distance: 5 meters Bluetooth microphone effective distance: 0.5-2 meters FM frequency: 87.5-108.0MHZ FM mode: stereo digital PLL frequency lock Attention: 1.When the U disk is inserted, this product will connect with mobile phone through Bluetooth automatically unless you turn off Bluetooth on mobile phone. 2.This product contains built in antenna, so please avoid switching to a FM frequency with very strong signal or an unoccupied FM frequency in order to get a better sound quality. 3.To adjust the volume of car audio by using the button on it instead of adjusting the volume through this product. If you use this product to increase the volume of car audio, do not increase the volume to the highest volume because that can cause distortion. 4. Some mobile phone may not be automatically connected with this product through Bluetooth. If that happened, please manually connect mobile phone with this product through Bluetooth. 5. If the sound is not loud enough during the call, please manually adjust the volume of the product. 6. Do not use this product in high temperature, dusty or humid environment. 7. Pull out this product from the cigarette lighter if it is not in use for a long time. Put this product into cigarette light after the car engine is started to avoid any possible damage of high voltage on this product. Appreciate again for buying this product. We do hope the extraordinary features of this product and music from your phone can bring your a convenient and pleasant driving. 87.3 87.487.687.7 87.5MHz ① ② ③ ④ Insert “car fm transmitter” into the cigarette lighter, Long press 3 seconds ” ”,and the frequency jumps to display Adjust the frequency of the car radio to 87.5MHz (or other consisten frequencyin accordance with the frequency of the MP3 player Press and to adjust the frequency Insert cigarette lighter socket Car FM adjust to 87.5MHz Bluetooth pairing Bluetooth Music Enter the phone “Setting”“bluetooth”, connect “BT-CAR Kit”, there will be a voice prompt after the connect is successful Open the phone music player, it can play music through car audio Bluetooth Connection xxxxxxx BT-CAR Kit song,long press volume + After frequency flicker,long press frequency +/Next volume - After frequency flicker, long press frequency - Next song/Long press 5V 3.1A Light Button TF card slot Answer/Hang up,Play/Pause Double click switch modes Read U disk/5V 1A Positive electrode Negative electrode 3.1A FCC Statemant This device complies with part 15 of the FCC Rules. Operation is subject to the foll…

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Dongguan KWD Electronic Co.,Ltd C20_Model Difference Product des cription: Car MP3 player Model name: C20, C1, C7, Q15, Q18S, C21, C12, C15, V6, D4, C24S, D1, C31, C32, C33 FCC ID: 2A3IA-C20 All the models are the same circuit and RF module. Only the model names are different. The model C20 is the tested sample. Regards Sincerely Client’s signature: Client’s name / title : Ana Gao Contact information / address:3rd Floor,Building 1,No.15,3rd street of Tanglian Lian Hu community, Tangxia Town, Dongguan city, Guangdong Province, China

C5266091_X10_Ed.1 1/1 <Dongguan KWD Electronic Co.,Ltd> Office of Engineering Technology Federal Communications Commission 7435 Oakland Mills Road Columbia, MD 21046 Date: 2022-05-18 Subject: Request for Confidentiality FCC ID: 2A3IA-C20 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. ExhibitsLong-Term Confidentiality Short-Term Confidentiality ID Label/LocationNoNo Attestation StatementNoNo External PhotosNo Block Diagram Schematics Test ReportNoNo Test Setup PhotosNo User’s Manual Internal Photos Parts List / Tune Up RF Exposure Info Operational Description Cover Letter(s)NoNo SDR Software / Security Info No 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. Itisourunderstandingthatallmeasurementtestreports,FCCIDlabelformatand 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. Sincerely, Signature: Name: Ana Gao

C5266091_X8_Ed.1 1/1 Letter of Authorization < Dongguan KWD Electronic Co.,Ltd > Company:Dongguan KWD Electronic Co.,Ltd community, Tangxia Town, Dongguan city, Guangdong Province, China Product Name:Car MP3 player Model Number:C20, C1, C7, Q15, Q18S, C21, C12, C15, V6, D4, C24S, D1, C31, C32, C33 FCC Identifier:2A3IA-C20 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:Ana GaoDate:2022-05-18 Signature of applicant: Address:3rd Floor,Building 1,No.15,3rd street of Tanglian Lian Hu

C20_EUT PHOTOS(External Photos)

C20_Label and Label Location Car MP3 player FCC ID: 2A3IA-C20

C20_EUT PHOTO(Internal Photos) ANT

FCCID:2A3IA-C20 RFExposureEvaluation AccordingtoKDB447498D01GeneralRFExposureGuidancev06andpart2.1093 ， UnlessspecificallyrequiredbythepublishedRFexposureKDBprocedures,standalone 1-gheadorbodyand10-gextremitySARevaluationforgeneralpopulationexposure conditions,bymeasurementornumericalsimulation,isnotrequiredwhenthe correspondingSARTestExclusionThresholdcondition(s),listedbelow,is(are)satisfied. For100MHzto6GHzandtestseparationdistances≤50mm,the1-gand10-gSARtest exclusionthresholdsaredeterminedbythefollowing: [(max.powerofchannel,includingtune-uptolerance,mW)/(min.testseparationdistance, mm)]·[√f (GHz) ]≤3.0for1-gSAR,and≤7.5for10-gextremitySAR,where f (GHz) istheRFchanneltransmitfrequencyinGHz PoweranddistanceareroundedtothenearestmWandmmbeforecalculation Theresultisroundedtoonedecimalplaceforcomparison Here, ForBluetooth Output powerto antenna (dBm) Tune-up power (dBm) Max tune-up power (dBm) Max tune-up power (mW) Frequency(MHz)Min. Distance (mm) Calc. thresholds limit -0.6090 ± 111.26240250.3903.0 SoaSARtestisnotrequired

Project No.: ZKT-220509L3006E Page 1 of 71 FCC TEST REPORT FCC ID: 2A3IA-C20 Report Number. .................................. : ZKT-220509L3006E Date of Test ............................................ May 07, 2022 to May 13, 2022 Date of issue ......................................... : May 16, 2022 Total number of pages ......................... 71 Test Result .......................................... : PASS Testing Laboratory...........................: Shenzhen ZKT Technology Co., Ltd. Address ............................................... : 1/F, No. 101, Building B, No. 6, Tangwei Community Industrial Avenue, Fuhai Street, Bao'an District, Shenzhen, China Applicant's name ............................. : Dongguan KWD Electronic Co.,Ltd Address ............................................... : 3rd Floor,Building 1,No.15,3rd street of Tanglian Lian Hu community, Tangxia Town, Dongguan city, Guangdong Province, China Manufacturer's name ...................... : Dongguan KWD Electronic Co.,Ltd Address ............................................... : 3rd Floor,Building 1,No.15,3rd street of Tanglian Lian Hu community, Tangxia Town, Dongguan city, Guangdong Province, China Test specification: Standard ................................................ : FCC CFR Title 47 Part 15 Subpart C Section 15.247 Test procedure ..................................... : KDB558074 D01 15.247 Meas Guidance v05r02 ANSI C63.10:2013 Non-standard test method ................ :N/A Test Report Form No. ....................... :TRF-EL-112_V0 Test Report Form(s) Originator.....:ZKT Testing Master TRF ........................................ :Dated: 2021-04-22 This device described above has been tested by ZKT, and 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 ZKT, this document may be altered or revised by ZKT, personal only, and shall be noted in the revision of the document. Product name ....................................... :Car MP3 player Trademark...........................................: N/A Model/Type reference ......................... :C20 C1,C7,Q15,Q18S,C21,C12,C15,V6,D4,C24S,D1,C31,C32, C33 Ratings .................................................. : Input: DC 12-24V Output: DC 5V, 3.1A/1A Project No.: ZKT-220509L3006E Page 2 of 71 Testing procedure and testing location: Testing Laboratory .......................................... : Shenzhen ZKT Technology Co., Ltd. Address ............................................................ : 1/F, No. 101, Building B, No. 6, Tangwei Community Industrial Avenue, Fuhai Street, Bao'an District, Shenzhen, China Jim Liu Tested by (name + signature) ....................... : Tom Zou Reviewer (name + signature).......................: Lake Xie Approved (name + signature) ....................... : Project No.: ZKT-220509L3006E Page 3 of 71 Table of Contents Page 1. VERSION.........................................................................................................................................................5 2. TEST SUMMARY...........................................................................................................................................6 2.1 TEST FACILITY.............................................................................................................................................7 2.2 MEASUREMENT UNCERTAINTY.............................................................................................................7 3. GENERAL INFORMATION...........................................................................................................................8 3.1 GENERAL DESCRIPTION OF EUT..........................................................................................................8 3.2 Test Setup Configuration.............................................................................................................................9 3.3 Support Equipment.....................................................................................................................................10 3.4 Test Mode....................................................................................................................................................10 3.5 EQUIPMENTS LIST FOR ALL TEST ITEMS.........................................................................................11 4. EMC EMISSION TEST................................................................................................................................12 4.1 Conducted emissions.................................................................................................................................12 4.1.1 POWER LINE CONDUCTED EMISSION Limits................................................................................12 4.1.2 TEST PROCEDURE...............................................................................................................................12 4.1.3 DEVIATION FROM TEST STANDARD...............................................................................................12 4.1.4 TEST SETUP...........................................................................................................................................13 4.1.5 EUT OPERATING CONDITIONS.........................................................................................................13 4.1.6 Test Result...............................................................................................................................................13 4.2 Radiated emissions....................................................................................................................................14 4.2.1 Radiated Emission Limits............................................................................…

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C20_E UT TEST PHOTOS