1.Bluetooth hands-free call                           
2.Echo cancellation and noise treatment when talking.                
3.Stereo Bluetooth and FM transmitting technology.                
4.Support USB/TF card/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: 3.1A (MAX) 
C port: PD25W (MAX)