1. Brand new and high quality.
2. Full frequency FM transmitter. 3. With digital display. 4. Supports line audio input. 5. With power off switch (USB direct connect) 6. Supports U Disk TF card player. 7. Supports MP3,format music. 8. Bluetooth answer ,hang up,reject,redial calls and other functions. 9. Bluetooth stereo music play. 10. Echo cancellation and noise suppression (CVC) technolony a call. 11. Supports USB output voltage,the maximum output 5V/3.1A 12. Automatic power-off memory function.