JaJaBor Car FM Transmitter Car MP3 Player Type C PD 20W USB QC3.0 Fast Charging Car Charger Handsfree Bluetooth 5.0 FM Modulator T86: Output current: PD20W fast charge 5V/3A/9A2.22A/12V1.67(Max) QC3.0 5V/3A9V2A12V1.5A T86S: Dual USB charger: 4.8A + Type C charging port Features: 1 Support bluetooth music playback, mobile phone music wirelessly transmitted to car audio playback; 2. Support U disk/TF card music playback 3. Bluetooth hands-free calling, automatically pause the music, and make hands-free calls through the car audio after connecting; driving is safer 4. Multi-port USB car charger, intelligent output current suitable for all kinds of mobile phones, tablets 5. Support hands-free answering, short press the phone key to answer incoming calls, long press to reject, double-click the last number to call back, 6. Full frequency point transmission, 87.5-108.0MHZ 7. Yellow digital screen, showing FM frequency working status (bt, Call, etc.) 8. Support mobile phone navigation and amplification 9. Voice broadcast and display of car battery voltage 10. Support car battery voltage detection 11. Support music power-off memory function 12. Support lossless music playback 13. Bluetooth V5.1 14.7 color ambient light 15.EQ mode 16. Bluetooth sound processing: A2DP Product parameters: Yellow digital display LED screen Support expansion: U disk32G TF card32G Music format: support MP3/WMA/WAV/FLAC/APE Signal-to-noise ratio < 60DB Bluetooth microphone effective distance: 0.5-2 meters Input voltage: 12V-24V Transmission distance10M Multi-function key/previous song/next song/frequency adjustment/ Color box + blister packaging + manual Product Certification FCC CE ROHS Package Includes: 1x Car handfree FM transmitter 1x User Manual T86 T86S Question and Answer Question 1: What is the FM transmitter? Answer: FM transmitter is a very small FM Radio Transmit Station with a broadcast range of &lt;5 meters. Main function: Transmit the audio to your car FM radio via the same FM bands, Then you can hear this audio in the car speaker. Question 2: Why my car FM Transmitter function is so noisy? Answer: FM Transmitter transmits the FM band in 5 meters. We know the FM radio station is a very wide range, if we set the same band with radio, our signal will affect a lot. So we can follow the steps as below, 1. We adjust our car FM to the band without the radio station, like 108.0MHz. 2. We change our device FM band to the same band with car FM -108.0MHz. 3. We can play music via TF card or Bluetooth, check the quality of sound. Question 3: When playing music, get an incoming call, why the sound volume becomes louder or lower after answering it? Answer: Because the calling volume is controlled by the "Calls "and music volume is controlled by "Media "in your phone volume settings. So you can modify the settings on your phone to let the sound more comfortable.