2AOXY-BH425ABluetooth FM Transmitter

Bluetooth Car Charger BC58 Manual Thank you for purchasing our bluetooth car charger! In order to have a best performance experience, please read the manual carefully before use! I. Product introduction This product is a car-specific car bluetooth player, built-in advanced bluetooth and WMA.MP3, FLAC decoder chip, can play music files inside U disk, wirelessly transmitted to car audio, no need to modify your car can easily Make your music enjoy while driving. More important is the purity and clarity of the special sound of DSP technology. We hope to bring you unlimited enjoyment of the music. II. Schematic Appearance Description： 1. LED display 2. Short press : Previous song / Long press to enter mode switch（BT/USB/TF） 3. MIC 4. Play/pause/answer/redail/long press to start SIRI / Left and right rotation volume±/ FM mode left and right rotation frequency± 5. Short press: Next song/ long press to enter FM mode 6. USB2: QC3.0 Fast charge output 7. TF card slot 8. 2.4/5V / U disk play 9. Short press to convert colorful lights / Long press to start fluid rainbow light 10. Long press for two seconds to shut down； Short press to boot 11. Cigar connector III. Features: 1: Support all types of vehicles 2: LED display 3. Support PD3.0 fast charge 4. Support Huawei FCP Fast Charge Protocol / Samsung AFC Fast Charge Protocol / Qualcomm QC3.0 / QC2.0 Fast Charge Protocol/ USB DCP loading 2.7V at D+ and D- / Provides up to 2.4A charge current for Iphone / Compliant with USB BC1.2 protocol，support USB DCP short D+ and D- 5. Support stereo FM transmission technology 6. Support U disk play 7. Support TF card music player 8. Support WMA, MP3, WAV, FLAC music format files 9. Automatic power off memory function 10. Bluetooth supports A2DP,AVRCP,HFP,HSP 11. Bluetooth V4.2 12. Bluetooth hands-free calling 13. Support DSP technology 14. Battery voltage detection 15. Support atmosphere lights / fluid rainbow light 16. Support one-button soft shutdown；Support any key to boot VI. Operation instructions 4.1.1 Insert the machine into the cigarette lighter of the car. After power supply, the product will automatically enter the power-on state. LED display: HI---battery voltage---bluetooth--FM frequency. 4.1.2 Turn on your car FM radio, and adjust the frequency of product same as your car radio, then your can enjoy music from your car stereo. 4.1.3Adjust the FM frequency: Long press button to enter the FM state，LED display frequency flashing，Left and right rotary coding switch adjusts the transmission frequency from 88.1-107.9， Three seconds do not operate to exit the frequency selection. 4.2 Bluetooth handsfree and phone matching When you use your mobile phone for the first time with Bluetooth hands-free connection, your phone needs to be connected to the Bluetooth hands-free code，For the specific operation of mobile phone pairing, please refer to the manual of the mobile phone and Bluetooth device. 1. Please open bluetooth on your mobile phone and search for the device “BC58” from phone menu list. 2. Choose the device “BC58” 3. Choose “BC58” in menu of phone and select the connection as "hands-free device" in the authorized device. Matching connection for additional devices At boot time, the bluetooth car hands free will only automatically start connecting to the matching device that was connected last time. Note: Some phones can be automatically connected when the bluetooth car is powered on again. Some phones may need to grant permission for each connection. You can set it to “Automatically connect." For more information, please refer to the phone's user manual. 4.3 Use bluetooth hands-free calling (When your bluetooth hands free is idle or playing music) Dial number In the connected state, the phone number is directly dialed out by the mobile phone, and the sound is automatically sent from the car audio speaker. 4.3.2 Answer the phone In the connected state, when a call is made, press " ” directly to answer the call，Press the “ ” button again to hang up the phone 4.3.3 Reject the call When a call comes in and you don't want to answer it, long press “ ” to reject the call. 4.3.4 Redial the call When bluetooth connected, double press “ ” to redial the last call 4.5 Play the music stored in the mobile phone This product supports A2DP function which can play the music stored in the mobile phone by transmit music to the car audio through the bluetooth hands-free FM so as to restore the higher quality music effect. 4.6 Mobile Music / TF / U Disk Song Mode Long press “ ” to enter mode switch: BT-- -- USB-- --TF After connecting the bluetooth of the mobile phone, select the song to play or insert TF/U disk to automatically read and play music. 4.7 Siri Voice Assistant When bluetooth connected, Long Press “ ” for 3 seconds to activate siri/ voice assistant.( Phone which support this function: APPLE,Samsung and phone with android systerm ) Note: Some phones do not support this function. 4.8 Colorful lights function Short press side “”key，change the RGB light to green，red，blue，orange, cyan-blue， purple，white，shut-off，cycle switching mode， Long press to start fluid rainbow light mode，the device has light color memory function after shut off 4.9 Long press the side button for two seconds to shut down；Any key to boot《Recharge function after shutdown》 V. Tech Specs： Rated working voltage 12V-24V Limit working voltage 10~26V USB output 12W+18W Working Temp 0~50°C Music format support MP3 / WMA / WAV/ FLAC SNR >60dB Battery voltage display accuracy ±0.5V USB1 U disk/2.4A/5V USB2 QC3.0(3.6V-12V) Bluetooth Ver Version 4.2 Bluetooth audio processing DSP and A2DP (Advance Audio Distribution Profile) Bluetooth transmission distance <10M MIC effective distance 0.5~2M FM Freq 88.1-107.9 FM transmission mode Stereo digital PLL lock frequency VI. Warm tips： 1. Do not turn the radio volume too high (usually 18 or below) to avoid the increase of the sound back noise. 2. Although the transmission power of this product is relatively strong, …

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Apr. 09, 2020 Federal Communication Commission Authorization and Evaluation Division FCC ID: 2AOXY-BH425A Re: Confidentiality Request Pursuant to Sections 0.457 and 0.459 of the Commission’s Rules, the applicant hereby requests confidential treatment of information applied this application as outlined below: 1: Block Diagram 2: Schematics 3: Operational Description The above materials contain trade secrets and proprietary information not customarily released to the public. The public disclosure of these matters might be harmful to the applicant and provide unjustified benefits to its competitors. The Applicant understands that pursuant to Rules 0.457, disclosure of this Application and all accompanying documentation will not be made before the date of the Grant for this application. Sincerely, Shenzhen Qianhai Patuoxun Network & Technology co.,ltd Contact person: Derric Bai

External Photos TOP VIEW OF EUT BOTTOM VIEW OF EUT FRONT VIEW OF EUT BACK VIEW OF EUT LEFT VIEW OF EUT RIGHT VIEW OF EUT

FCC ID Label Location FCC ID: 2AOXY-BH425A

Internal Photos OPEN VIEW OF EUT INTERNAL VIEW OF EUT-1 INTERNAL VIEW OF EUT-2 FM Antenna BT Antenna

Page 1 of 23 FCC Test Report Report No.: AGC08073200202FE06 FCC ID : 2AOXY-BH425A APPLICATION PURPOSE : Original Equipment PRODUCT DESIGNATION : Bluetooth FM Transmitter BRAND NAME : N/A MODEL NAME : BH425A, BH425B, BH425C APPLICANT : Shenzhen Qianhai Patuoxun Network&Technology co., ltd DATE OF ISSUE : Apr. 09, 2020 STANDARD(S) : FCC Part 15.239 REPORT VERSION : V1.0 Attestation of Global Compliance(Shenzhen) Co., Ltd CAUTION: This report shall not be reproduced except in full without the written permission of the test laboratory and shall not be quoted out of context. Report No.: AGC08073200202FE06 Page 2 of 23 Report Revise Record Report Version Revise Time Issued Date Valid Version Notes V1.0 / Apr. 09, 2020 Valid Original Report Report No.: AGC08073200202FE06 Page 3 of 23 TABLE OF CONTENTS 1. VERIFICATION OF CONFORMITY .......................................................................................................... 4 2. GENERAL INFORMATION ...................................................................................................................... 5 2.1.PRODUCT DESCRIPTION .................................................................................................................. 5 3. MEASUREMENT UNCERTAINTY............................................................................................................ 5 4. DESCRIPTION OF TEST MODES............................................................................................................ 5 5. SYSTEM TEST CONFIGURATION .......................................................................................................... 7 5.1. EQUIPMENT USED IN EUT SYSTEM ................................................................................................ 7 5.2. SUMMARY OF TEST RESULTS ......................................................................................................... 7 6. TEST FACILITY ........................................................................................................................................ 8 7. RADIATED EMISSION ............................................................................................................................. 9 7.1. MEASUREMENT PROCEDURE ........................................................................................................ 9 7.2.TEST SETUP ...................................................................................................................................... 11 7.3. TEST RESULTFOR FIELD STRENGTH OF FUNDAMENTAL ......................................................... 12 7.4. TEST RESULT FOR FIELD STRENGTH OF BAND EDGE EMISSION ............................................ 12 7.5. TEST RESULT FOR SPURIOUS EMISSION .................................................................................... 13 8. BANDWIDTH .......................................................................................................................................... 15 8.1. MEASUREMENT PROCEDURE ...................................................................................................... 15 8.2. TEST SETUP .................................................................................................................................... 15 8.3. TEST RESULT .................................................................................................................................. 16 APPENDIX A: PHOTOGRAPHS OF TEST SETUP ................................................................................... 18 APPENDIX B:PHOTOGRAPHS OF EUT ................................................................................................... 19 Report No.: AGC08073200202FE06 Page 4 of 23 1. VERIFICATION OF CONFORMITY Applicant Shenzhen Qianhai Patuoxun Network&Technology co., ltd Address Wuhe RD 49#, Bantian District B-202, 6th Building Shenzhen Guangdong CN Manufacturer Shenzhen Qianhai Patuoxun Network&Technology co., ltd Address Wuhe RD 49#, Bantian District B-202, 6th Building Shenzhen Guangdong CN Factory SHENZHEN LEADINWAY TECHNOLOGY CO.,LTD Address Block 29, Baotian Industrial Zone, Chentian, Xixiang Town, Baoan District, Shenzhen China Product Designation Bluetooth FM Transmitter Brand Name N/A Test Model BH425A Series Model BH425B, BH425C Difference Description All the same except for the model name Date of test Mar. 17, 2020 to Apr. 09, 2020 Deviation No any deviation from the test method Condition of Test Sample Normal Test Result Pass Report Template AGCRT-US-BR/RF (2013-03-01) We hereby certify that: The above equipment was tested by Attestation of Global Compliance (Shenzhen) Co., Ltd. The test data, data evaluation, test procedures, and equipment configurations shown in this report were made in accordance with the procedures given in ANSI C63.10 (2013) and the energy emitted by the sample EUT tested as described in this report is in compliance with radiated emission limits of FCC part 15.239. Prepared By NiNi Guo (Project Engineer) Apr. 09, 2020 Reviewed By Max Zhang (Reviewer) Apr. 09, 2020 Approved By Forrest Lei (Authorized Officer) Apr. 09, 2020 Report No.: AGC08073200202FE06 Page 5 of 23 2. GENERAL INFORMATION 2.1.PRODUCT DESCRIPTION A major technical description of EUT is described as following Operation Frequency 88.1MHz-107.9MHz Field Strength(3m) 45.76dBuV/m(AVG)@3m Modulation FM Number of channels 199(Channel spacing 100kHz) Hardware Version BC58-2819-V1_20200107 Software Version 2819_YHW_BC58_20200401_V1.5_LY Antenna Designation Integral Antenna (Met 15.203 Antenna requirement) Antenna Gain 0dBi Power Supply DC 12/24V by car battery NOTE: About the EUT, please refer to User’s Manual. 3. MEASUREMENT UNCERTAINTY - Uncertainty of Radiated Emission below 1GHz, Uc = ±3.9 dB - Uncertainty of Radiated Emission above 1GHz, Uc = ±4.8 dB 4. DESCRIPTION OF TEST MODES NO. TEST MODE DESCRIPTION 1 Sim TX BT Low channel GFSK + FM Low channel 2 Sim TX BT Middle channel GFSK+ FM Low channel 3…

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Test Setup Photos RADIATED EMISSION TEST SETUP BELOW 1G RADIATED EMISSION TEST SETUP ABOVE 1G