1. Model number: BT16 
2. Bluetooth hands-free call                           
3. Echo cancellation and noise treatment when talking.                
4. Stereo Bluetooth and FM transmitting technology.                
5.Support USB/TF card/Bluetooth function.                 
6. Support MP3 music format.                       
7. Automatic power-off memory function.                      
8. Cigarette lighter power supply: DC12V-24V voltage power supply.    
9. Bluetooth version 5.0 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)