Note:
If you have any questions about the operation of the machine, please contact us by email, because each product is operated differently, we will solve it for you, thank you
BT Hands Free + FM Transmitter+ 3.1A Car Charger(Dual USB port ) Bluetooth V5.0 + EDR 1. Build in MIC , Hands free talking and A2DP music playing 2.Switch to Hands-free mode automatically from music playing 3.Dual USB outputs 5V/3.1A 4. LED frequency display. 5.With voice prompts 6.Supports TF card / USB flash memory; 7.Suppots MP3/WMA format files; 8.Frequency :87.6－107.9MHZ; 9. Car battery voltage display : to examine your car battery condition 
