2BTNM-9520Car stereo

User Guide How to use the IVI System Start Reading 【IVI System: In-Vehicle Infotainment System】 CONTENTS Phone Link Recorder Car Settings Radio Video HomeTheme Play Store Menu Music Bluetooth AUX Maps Sound Effect File Chrome 1) Desktop top icon: Home Hide Backstage Return 1) Click to return to the main page 2) Click to hide the top icon, click again to restore 3) Click to select or close a running apps 4) Click to step back 5) Click to enter the car settings 6) Click to browse all apps 7) Click to enter the navigation app 8) Five-finger long press the screen to calibrate the touch I. Home 1. Page introduction: 2. App introduction: 3. Touch settings: • Set the touch buttons: power, main interface, return, volume+, volume-, previous, next, navigation, etc. Touch the screen and drag down to pop up a drop-down menu, drag up to hide it II. Drop-down Menu 1. Page introduction: 1) WiFi, click to turn on/off, press and hold to enter the WiFi 2) Bluetooth, click to turn on/off, press and hold to enter the BT 3) Screen off, click to turn off the screen 4) Car Amplifier, click to turn on/off 5) Screenshot, save the picture to the file manager 6) Car settings, click to enter car settings 7) Clear-up, click to clear the device garbage 8) Video out, click to enter the video output interface 9) Optical fiber output, click to turn on/off III. Theme 1. App introduction: To provide you with 26 sets of different styles of themes • Click [Theme]---Choose your favorite---Click [OK] • This operation is valid when the device has media files Home Return Loop mode Previous Next Pause Play Sound effect Playlist IV. Music Click "Music" to enter the app • Key introduction: 1. Playlist: directory, song, singer, favorites, search 2. Playback mode: single loop, listing loop, random play 3. Sound effect: rock, classical, jazz, pop and other modes, can also be customized 4. How to play U disk audio: • Insert the U disk and the music will be played directly in the local music • Open [File Manager] --- Select the audio file and click [Copy] --- Switch to the [Internal storage] --- Click [Paste] Return Sound effect Previous Next Pause Play Screen ratio Decode mode Playback mode 1. Playback mode: single loop, listing loop, random play 2. Screen ratio: full screen, 4:3, 16:9 3. Playback mode: dual-screen display, picture-in-picture 4. Small window play: Open [picture-in- picture], switch the video to run in the background. Click to play the video in full screen mode. 5. Video list: All, SD card, Udisk V. Video Click "Video" to enter the app • This operation is valid when the device has video files • Key introduction: • The FM/AM band can store 40 valid platforms each VI. Radio Home Return Sound effect Search up Search down Previous Next DX DX/LOC switch FM FM/AM switch 1. DX/LOC: DX: High sensitivity, suitable for radio stations with weak or distant signals LOC: Low sensitivity, suitable for radio stations with strong local signals 2. Auto search: Click [Search] to perform the automatic search function, and automatically save the searched stations 3. FM/AM: FM: 64.0MHz-108.0MHz AM: 522KHz-1629KHz * FM+RDS AM+FM+RDS: The interface is different 4. Contractions: ST: Stereo switch during FM radio TA: Automatically search for other transmission frequencies of the current station AF: Automatically search for stations of the same type of program PTY: Display and search of program types TP: Mandatory traffic information Click "Radio" to enter the app • Key introduction: Settings: View the name, PIN code, and other data of the device. Yellow lights up to indicate selected Icon meaning: Search for Bluetooth devices, connect Bluetooth devices, disconnect, delete pairing records VII. Bluetooth 1. Pairing steps: • Turn on the Bluetooth on the mobile phone --- Click to enter the connection interface --- Click --- Click the device you want to pair --- Enter the PIN code on the mobile phone and the connection is complete Click "Bluetooth" to enter the app Click --- The phone pops up "Whether to allow access to contact information", and the device will sync the contacts after confirmation (Please do not operate at will during this process) incoming call outgoing call missed call Click to update the call history, click again to pause Click to switch the sound from the IVI System/Phone Click to sync contacts Call the selected contact Update the contact, click again to pause Open the phone's music app to play BT music (A2DP and AVRCP need to be connected) After the Bluetooth is connected, enter the number, Click to dial Redial Introduction to Bluetooth function 2. Sound field: Click to enter the sound field settings, which are centered by default (indicating the sound equalization output). If you drag the dot to the main driving position, the sound output will focus on the main driving area. Provide a variety of sound modes + customization. Compensate and modify various sound sources, sound fields, or speaker effects by adjusting electrical signals of different frequencies. VIII. Sound Effect Click "Sound Effect" to enter the app 1. Page content: 1. Page introduction: 1) TIMA is an Internet of Vehicles application that perfectly combines in-vehicle hardware with the mobile internet, enabling your mobile phone working with vehicel device. TIMA provides powerful functions such as emergency help, anti-theft alarm, driving record, entertainment, and information interaction. 2) Functions: Android USB, Android WIFI, iPhone WIFI. TIMA needs to be installed on the phone before use. 2. Method: 1) Android: Search for [TiAVN] in the app store; iPhone: Search for [TiAVN] in the app store. 2) Click [TIMA] on the IVI System --- Click [Mobile phone QR code] --- Scan the QR code to download. 3) When Android phone is connected to the IVI System by USB line, the IVI System will push the app to the mobile, click the phone to download. * TIMA (optional) Tip: Click to view detailed instructions 2. App introduction: 1) Support wired CarPlay, wireless CarPlay, wired…

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Changsha Lijie Design Co., Ltd Covered Equipment Certification Attestation Letter 12/29/2025 Federal Communications Commission Authorization and Evaluation Division 7435 Oakland Mills Road Columbia, MD 21046 USA ATTN.: Reviewing Engineer FCC ID: 2BTNM-9520 Changsha Lijie Design Co., Ltd (“the applicant”) certifies that the equipment for which authorization is sought is not “covered” equipment prohibited from receiving an equipment authorization pursuant to section 2.903 of the FCC rules. Note: If the equipment for which the applicant seeks authorization is produced by any of the entities identified on the current Covered List, the applicant should include an explanation on why the equipment is not “covered” equipment. Changsha Lijie Design Co., Ltd (“the applicant”) certifies that, as of the date of the filing of the application, the applicant is not identified on the Covered List (as a specifically named entity or any of its subsidiaries or affiliates) as an entity producing “covered” equipment. Changsha Lijie Design Co., Ltd (“the applicant”) certifies that the equipment for which authorization is sought does not include cybersecurity or anti-virus software produced or provided by Kaspersky Lab, Inc. or any of its successors and assignees, including equipment with integrated Kaspersky Lab, Inc. (or any of its successors and assignees) cybersecurity or anti-virus software pursuant to DA-24-886 and KDB 986446 D01 Covered Equipment Guidance section B(2a). Signed: Printed name: wufeng Xie Title: Manager Company Name: Changsha Lijie Design Co., Ltd Date: 12/29/2025

Changsha Lijie Design Co., Ltd U.S. Agent Letter of Attestation To: Federal Communications Commission 7435 Oakland Mills Road, Columbia, MD 21046, USA Date: December 29, 2025 Ref: Attestation Statement – Part 2.911(d)(7) filing FCC ID: 2BTNM-9520 Changsha Lijie Design Co., Ltd (“the applicant”) certifies that, as of the date of the filing of the application, CLF Import and Export Limited (“the agent”) is our designated U.S. agent for service of process for the above reference FCC ID. The applicant accepts to maintain an agent for service of process in the United States for no less than one year after either the grantee has permanently terminated all marketing and importation of the applicable equipment within the U.S., or the conclusion of any Commission-related administrative or judicial proceeding involving the equipment, whichever is later. The applicant further acknowledges it is our responsibility to inform the FCC whenever the agent information changes. CLF Import and Export Limited ("the agent) understand it is the agent's obligation to accept service of process in the United States for matters related to the applicable equipment, and at the physical U.S. address and email address. Designated U.S. Agent Company Name: CLF Import and Export Limited FRN: 0033489683 Address: 1312 17th Street #692, Denver, CO 80202, United States Signature: Contact Person: David Chen Tel: +1 949 254 2565 Email: [email protected] Applicant Company Name: Changsha Lijie Design Co., Ltd FRN: 0037731395 Address: Room 301-A256, Building 7, Phase II, Xincheng Science and Technology Park, No. 662 Qingshan Road, Dongfanghong Street, Xiangjiang, Hunan, China Signature: Contact Person: wufeng Xie Tel: +86-18682177970 Email: [email protected]

DATE: December 29, 2025 Federal Communications Commission Authorization & Evaluation Division 7345 Oakland Mills Road Columbia, Maryland 21046 Authority to Act as Agent On our behalf, I appoint Shenzhen CCUT Quality Technology Co., Ltd. (1F, Building 35, Changxing Technology Indstrl Park Changzhen Community, Yutang Street,Shenzhen,China) 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 our behalf, I acknowledge that all responsibility for complying with the terms and conditions for certification, still resides with Changsha Lijie Design Co., Ltd (Room 301-A256, Building 7, Phase II, Xincheng Science and Technology Park, No. 662 Qingshan Road, Dongfanghong Street, Xiangjiang, Hunan, China). <Signature> Name: wufeng Xie Title: Manager Company: Changsha Lijie Design Co., Ltd

Date: December 29, 2025 Federal Communications Commission Authorization & Evaluation Division 7345 Oakland Mills Road Columbia, Maryland 21046 RE: LETTER OF AGENT AUTHORIZATION To Whom It May Concern: We, the undersigned, hereby authorize Compliance Testing, LLC to act on our behalf in all matters relating to application for equipment authorization, including the signing of all documents relating to these matters. We also hereby certify that no party to the application authorized hereunder is subject to the denial of benefits, including FCC benefits, pursuant to Section 5301 of the Anti-Drug Abuse Act of 1988, 21 U.S.C.853(a). Sincerely, <Signature> Name: wufeng Xie Title: Manager Company: Changsha Lijie Design Co., Ltd

DATE: December 29, 2025 Equipment Autorisation Division Federal Communications Commission 7435 Oakland Mills Road Columbia, MD 21046 FCC ID: 2BTNM-9520 Product Name: Car stereo Request for Confidentiality Pursuant to Sections 0.457 and 0.459 of the commission’s 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: wufeng Xie Title: Manager Company: Changsha Lijie Design Co., Ltd

Report No: SSP25110649-1&2E FCC ID: 2BTNM-9520 Annex of Test Report Annex A. EUT External Photos Model: 9520 EUT View 1 EUT View 2 Report No: SSP25110649-1&2E FCC ID: 2BTNM-9520 Annex of Test Report EUT View 3 EUT View 4 Report No: SSP25110649-1&2E FCC ID: 2BTNM-9520 Annex of Test Report EUT View 5 EUT View 6 Report No: SSP25110649-1&2E FCC ID: 2BTNM-9520 Annex of Test Report EUT View 7 EUT View 8 Wire Antenna

Report No: SSP25110649-1&2E FCC ID: 2BTNM-9520 Annex of Test Report Annex D. Label and Inf ormation FCC Label Sample FCC Label Specifications Text is Black in color and is justified. Labels are printed in indelible ink on permanent adhesive backing or silk-screened onto the EUT or shall be affixed at a conspicuous location on the EUT. Where the EUT is constructed in two or more sections connected by wires and marketed together, the above statement is required to be affixed only to the main control unit. When the EUT is so small or for such use that it is not practicable to place the statement on it, the above information shall be placed in a prominent location in the instruction manual or pamphlet supplied to the user or, alternatively, shall be placed on the container in which the device is marketed. FCC Label Location Label Location

Report No: SSP25110649-1&2E FCC ID: 2BTNM-9520 Annex of Test Report Annex B. EUT Internal Photos Model: 9520 EUT Internal View 1 EUT Internal View 2 Report No: SSP25110649-1&2E FCC ID: 2BTNM-9520 Annex of Test Report EUT Internal View 3 EUT Internal View 4 GPS Receiving FM Receiving Antenna interface

FCC ID: 2BTNM-9520 RF Exposure Evaluation Limits The criteria listed in the following table shall be used to evaluate the environment impact of human exposure to radio frequency (RF) radiation as specified in 1.1307(b) Limits for Maximum Permissible Exposure (MPE) Frequency range (MHz) Electric field strength (V/m) Magnetic field strength (A/m) Power density (mW/cm 2 ) Averaging time (minutes) (A) Limits for Occupational/Controlled Exposures 0.3–3.0 614 1.63 *(100) 6 3.0–30 1842/f 4.89/f *(900/f 2 ) 6 30–300 61.4 0.163 1.0 6 300–1500 f/300 6 1500–100,000 5 6 (B) Limits for General Population/Uncontrolled Exposure 0.3–1.34 614 1.63 *(100) 30 1.34–30 824/f 2.19/f *(180/f 2 ) 30 30–300 27.5 0.073 0.2 30 300–1500 f/1500 30 1500–100,000 1.0 30 f = frequency in MHz Friis transmission formula: Pd = (Pout*G)/(4*pi*r 2 ) Where Pd = power density in mW/cm 2 , Pout = output power to antenna in mW; G = gain of antenna in linear scale, Pi = 3.1416; R = distance between observation point and center of the radiator in cm Pd id the limit of MPE, 1 mW/cm 2 . If we know the maximum gain of the antenna and the total power input to the antenna, through the calculation, we will know the distance r where the MPE limit is reached. Test Procedure Software provided by client enabled the EUT to transmit and receive data at lowest, middle and highest channel individually. Test Result of RF Exposure Evaluation For BR+EDR Mode Output power to antenna (dBm) Tune-up Power(dBm) Max Tune-up Power(dBm) Output power to antenna (mW) Power Density at R=20cm (mW/cm 2 ) Limit (mW/cm 2 ) Result 8DPSK 2.8 2(±1) 3 2 0.0006 1.0 PASS For 2.4GWiFi Mode Output power to antenna (dBm) Tune-up Power(dBm) Max Tune-up Power(dBm) Output power to antenna (mW) Power Density at R=20cm (mW/cm2) Limit (mW/cm2) Result 802.11n40 12.16 12(±1) 13 19.95 0.006 1.0 PASS Remark: antenna gain= 1.76dBi This device can transmit data simultaneously using both 2.4G WiFi and Bluetooth. Calculations for simultaneously transmit Mode Ratios Result Limit Result BLE 0.0006 0.0066 1 PASS 2.4G Wi-Fi 0.006 Ratios = Power Density / Power density Limit

Report No: SSP25110649-2E FCC Test Report Page 1 of 48 FCC TEST REPORT FCC ID: 2BTNM-9520 Report No. : SSP25110649-2E Applicant : Changsha Lijie Design Co., Ltd Product Name : Car stereo Model Name : 9520 Test Standard : FCC Part 15.247 Date of Issue : 2025-12-16 Shenzhen CCUT Quality Technology Co., Ltd. 1F, Building 35, Changxing Technology Industrial Park, Yutang Street, Guangming District, Shenzhen, Guangdong, China; (Tel.:+86-755-23406590 website: www.ccuttest.com) This test report is limited to the above client company and the product model only. It may not be duplicated without prior permitted by Shenzhen CCUT Quality Technology Co., Ltd. Report No: SSP25110649-2E FCC Test Report Page 2 of 48 Test Report Basic Information Applicant..................................: Changsha Lijie Design Co., Ltd Address of Applicant...............: Room 301-A256, Building 7, Phase II, Xincheng Science and Technology Park, No. 662 Qingshan Road, Dongfanghong Street, Xiangjiang, Hunan, China Manufacturer..........................: Changsha Lijie Design Co., Ltd Address of Manufacturer........: Room 301-A256, Building 7, Phase II, Xincheng Science and Technology Park, No. 662 Qingshan Road, Dongfanghong Street, Xiangjiang, Hunan, China Product Name.........................: Car stereo Brand Name.............................: - Main Model..............................: 9520 Series Models..........................: - Test Standard..........................: FCC Part 15 Subpart C KDB 558074 D01 15.247 Meas Guidance v05r02 ANSI C63.4-2014 ANSI C63.10-2020 Date of Test .............................: 2025-11-24 to 2025-12-15 Test Result...............................: PASS Tested By ................................: (Walker Wu) Reviewed By............................: (Lorzix Luo) Authorized Signatory............: (Lahm Peng) Note : This test report is limited to the above client company and the product model only. It may not be duplicated without prior permitted by Shenzhen CCUT Quality Technology Co., Ltd.. All test data presented in this test report is only applicable to presented test sample. Report No: SSP25110649-2E FCC Test Report Page 3 of 48 CONTENTS 1. General Information ....................................................................................................................................................5 1.1 Product Information .............................................................................................................................................5 1.2 Test Setup Information..........................................................................................................................................6 1.3 Compliance Standards ...........................................................................................................................................7 1.4 Test Facilities ........................................................................................................................................................7 1.5 List of Measurement Instruments ..........................................................................................................................8 1.6 Measurement Uncertainty .....................................................................................................................................9 2. Summary of Test Results ........................................................................................................................................... 10 3. Antenna Requirement ............................................................................................................................................... 11 3.1 Standard and Limit.............................................................................................................................................. 11 3.2 Test Result .......................................................................................................................................................... 11 4. Conducted Emissions ................................................................................................................................................ 12 4.1 Standard and Limit.............................................................................................................................................. 12 4.2 Test Procedure.................................................................................................................................................... 12 4.3 Test Data and Results .......................................................................................................................................... 13 5. Radiated Emissions ................................................................................................................................................... 14 5.1 Standard and Limit.............................................................................................................................................. 14 5.2 Test Procedure.................................................................................................................................................... 14 5.3 Test Data and Results .......................................................................................................................................... 16 6. Band-edge Emissions(Radiated) ............................................................................................................................... 20 6.1 Standard and Limit.............................................................................................................................................. 20 6.2 Test Procedure.................................................................................................................................................... 20 6.3 Test Data and Results .....................................................................................…

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忍壅视 Report No.: RFI-LAB-RF-202411-KK06 Testing Report Customer Name: Shenzhen Hengtai Electronic Digital Technology Co., Ltd Product Name: Reverse antenna Sam p le Model: Number 201 Reference Standard: GBIT 9410-2008; ANSI/IEEE Stdl 49-1979 Issue Date: 2024.11.22 Engineer: 戏沁 I Date: 步炖. H斗 A uditor: E心 I Date: 加Q.�II.卫 A pp rover: 在 I Date: 加冲 ， If沙 • QP030-E41 Page 1 of 11 忍壅钮 Report No.: RFI-LAB-RF-202411-KK06 Version Version No. Date Description Formulate Approval AO 2024.11.22 For the first time, formulate Zkris Eason Contents lG . eneral Information ......................................................................................................................... 3 11 G . eneral mformat10n of testmg mstltut10ns ... ...... ...... ..... ...... ...... ...... ...... ...... ...... ...... ...... ....... 3 1.2 Testing principle ................................................................................................................... 3 1.3 Test equipment ...................................................................................................................... 4 14T . est environment ................................................................................................................... 4 1.5 Statement .............................................................................................................................. 4 2.Sample Information ......................................................................................................................... 5 2.1 Client information ................................................................................................................. 5 2.2 Description ofEUT(S) .......................................................................................................... 5 2.3 EUT appearance .................................................................................................................... 6 2.4 EUT setup photo of free space OTA testing...... ...... ...... ...... ...... ....... ...· ...... ....... ...... ...... ....... 6 3. Test Results ...................................................................................................................................... 7 3 .1 Test standard ......................................................................................................................... 7 32 . Test uncertainty ..................................................................................................................... 7 3 .3 Test data ................................................................................................................................ 8 3.3.1 S 11 parameters ........................................................................................................... 8 3.3.2 S11 data ...................................................................................................................... 8 3.3.3 Typical fr ee space efficiency and gain .... ...... ...... ...· ...... ....... ...... ..... ...... ...... ...... ........ 8 3.3.4 Typical fr ee space radiation pattern ........................................................................... 9 (The following is blank) .............................................................................................................. 11 QP030-E41 Page 2 of 11 忍壅钮 Report No.: RFI-LAB-RF-202411-KK06 I.General Information 1. 1 General information of testing institutions Name Shenzhen RFI-LAB Communication Technology Co., Ltd. Address 103 Building 1 Tingwei Industrial Park,No.6, Liufang Road, Zone 67Xingdong,Xin'an Subdistrict,Bao'an District, Shenzhen, Guangdong, China Tel 13682621346 E-mail rfi-lab _ [email protected] All the equipment used in the report is fixed in 103 Building 1 Tingwei Industrial Equipment Park,No.6, Liufang Road, Zone 67Xingdong,Xin'an Subdistrict,Bao'an District, Shenzhen, Guangdong, China 1.2 Testing principle •) General Test RayZone-5000 SISO Test Setup 灯 ., ” “ 干 ｀ ． i t i" h"1 _ _ . L c g ． ＂ 兑� h C,' － c t ｀ 企 i' “ 一 冒 s ． 一 I ＂ p l 玄 ～ 广IIII S竺 1 Li 「一一一一一一一一一一一一一一一 勹 I Turn, 心,, I ： "" 知如'" "'' : L_ - ------------_ J T中,m>l,C. monu ""'''吐"'辽虹r QP030-E41 Page 3 of 11 忍壅钮 Report No.: RFI-LAB-RF-202411-KK06 1.3 Test equipment Calibration Next Equipment Model No. Serial No. Manufacturer calibration date date OTA Test RFI-LAB-RF RayZone-5000 GTS 2023.3.14 2025.3.13 System -D00 Network RFI-LAB-RF E5071C KEYSIGHT 2024.5.6 2025.5.5 Analyzer -D01 Network RFI-LAB-RF E5071C KEYSIGHT 2024.5.6 2025.5.5 Analyzer -CO2 1.4 Test environment Temperature 23.8 ° C Humidity 58%RH Pressure 100.22kPa 1.5 Statement (1) The test results in the report are only applicable to the tested samples and the tested samples work under the environment described in the report. (2) Only Shenzhen RFI-LAB Communication Technology Co., Ltd. have the right to modify the report, and the modification information shall be annotated in the revision form. (3) Any objection to this report shall be raised within 30 days after formal confirmation of the report. (4) This report is invalid if there is any evidence that the sample information provided is falsified. (5) The report is invalid without the signature of the auditor and approver. QP030-E41 Page 4 of 11 忍壅钮 Report No.: RFI-LAB-RF-202411-KK06 2.Sample Information 2.1 Client information Name Shenzhen Hengtai Electronic Digital Technology Co., Ltd Address 301, Building Bl, Anle Industrial Zone, No. 172 HangchengAvenue, Sanwei Community, Hangcheng Street, Bao'an District, Shenzhen Contacts Mr.Xiao Tel 13538218145 E-mail [email protected] Manufacturer Shenzhen Hengtai Electronic Digital Technology Co., Ltd 2.2 Description of EUT(S) Product Name Reverse antenna Sample Model Number201 Serial No. ／ Antenna Size ／ Antenna Type Wire Antenna Test Item VSWR;Antenna gain; Efficiency; Radiation pattern Frequency Range 2400-2500MHz;5000-6000MHz Received Date 2024.11.20 Test Date 2024.11.21 Remark ／ QP030-E41 Page 5 of 11 忍壅钮 2.3 EUT appearance Rep…

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Report No: SSP25110649-1&2E FCC ID: 2BTNM-9520 Annex of Test Report Annex C. Test Photos Radiated Emission Test View Below 1GHz Radiated Emission Test View Above 1GHz