Features:
Digtal display
Supports line audio input
With power off switch (usb direct connect)
Supports U disk TF card player
Supports mp3, WMA format music
Bluetooth answer, hang up, reject, redial calls and other functions
Bluetooth stereo music play
Echo cancellation and noise supports (CVC) technolony a call
Supports USB output voltage, the maximum output 5V/2.0A
Automatic power-off memory function