Feature:1. support hands-free calls.2. support advanced audio transmission mode.3. support the clock indicating while the power is off.4. high quality digital stereo FM radio FM1-FM2-FM3 support from three band radio store, and canPreset 18 radio stations. (Radio frequency: 87,5-108MHz)5. Support USB/TF audio card reader: MP3/WMA/WAV formats and so on.6. Media folder playback function7. remote control support. Rotary electronic volume control MP3 play supports pause/Preview/Repeat/Random Play and 10 tracks up/down selections.8.Electronic type bass/treble/left and right balance/volume control balance front and rear AUX audio input hole and RCA audio output hole of the rear terminal L/R.9. 4 band high power output (high power speakers)10. work voltage: DC12V11. APP Control12. Voice assistant13. Steering wheel control