Basic Functions
1. Radio
2. Read USB flash drive (audio)
3. AUX function
4. Bluetooth function
5. RCA audio output
6. Bass boost output function
7. Colorful lights
8. USB mobile phone charging function (2.1A)
9. Voice assistant function (In BT mode， press key 2 to activate the phone's voice assistant function)
10. Mobile APP function， vehicle location finding function (Connect to the vehicle via mobile APP， and on the mobile phone， you can find the location where the car was parked when it was turned off and left)
11. Audio source copy function (When an SD/USB is inserted， long press the knob button to activate the audio source copy function)
12. RDS function
13. Rear microphone input function
14. Positive and negative power connection protection function (If the positive and negative terminals of the power cord are connected incorrectly， it will not cause the circuit board to burn out)

RCA Port Parameters
Audio Output    4 channels (2 left channels + 2 right channels)
Subwoofer Output    2 channels
Microphone Input    Posterior input

Accessories
1. MP5 Player
2. Power Cord
3. Remote Control
4. Instruction Manual
5. Disassembly Key  (The accessories, instruction manual and packaging may be updated from time to time. Please refer to the actual items received.)