1. Full frequency FM transmitter.2. Digital display.3. Support line audio input.4. With power off switch (USB direct connect).5. Support U disk, TF card player.6. Support MP3, WMA format music.7. Wireless answer, hang up, reject, redial calls and other functions.8. Wireless stereo music play.9. Echo cancellation and noise suppression (CVC)technology a call.. Full frequency FM transmitter.2. Digital display.3. Support line audio input.4. With power off switch (USB direct connect).5. Support U disk, TF card player.6. Support MP3, WMA format music.7. Wireless answer, hang up, reject, redial calls and other functions.8. Wireless stereo music play.9. Echo cancellation and noise suppression (CVC)technology a call.10. Support USB output voltage, the maximum output 5V/2.0A.11. Automatic power-off memory function.12. Dual USB Ports: 2.0A 1.0A.13. Frequency: 87.5-108.0 Mhz.1. Full frequency FM transmitter.2. Digital display.3. Support line audio input.4. With power off switch (USB direct connect).5. Support U disk, TF card player.6. Support MP3, WMA format music.7. Wireless answer, hang up, reject, redial calls and other functions.8. Wireless stereo music play.9. Echo cancellation and noise suppression (CVC)technology a call.10. Support USB output voltage, the maximum output 5V/2.0A.11. Automatic power-off memory function.12. Dual USB Ports: 2.0A 1.0A.1. Full frequency FM transmitter.2. Digital display.3. Support line audio input.4. With power off switch (USB direct connect).5. Support U disk, TF card player.6. Support MP3, WMA format music.7. Wireless answer, hang up, reject, redial calls and other functions.8. Wireless stereo music play.9. Echo cancellation and noise suppression (CVC)technology a call.10. Support USB output voltage, the maximum output 5V/2.0A.11. Automatic power-off memory function.12. Dual USB Ports: 2.0A 1.0A.13. Frequency: 87.5-108.0 Mhz.13. Frequency: 87.5-108.0 Mhz.10. Support USB output voltage, the maximum output 5V/2.0A.11. Automatic power-off memory function.12. Dual USB Ports: 2.0A 1.0A.13. Frequency: 87.5-108.0 Mhz.