1. Bluetooth hands-free call                           
2. Echo cancellation and noise treatment when talking.                
3. Stereo Bluetooth and FM transmitting technology.                
4. Support USB/Bluetooth function.                      
5. Support MP3 format music.                       
6. Automatic power-off memory function.                      
7. Cigarette lighter power supply: DC12V-24V voltage power supply.    
8. Bluetooth version 5.0 
9. FM transmitting frequency: 87.5~108Mhz   
10. Voltage detection                               
11. Seven-color ambient light                   
12. Charging function                       
A port: QC3.0 (MAX) 
C port: PD24W (MAX)