Adopt Call Echo cancellation and noise suppression (CVC) technology.
Support answer, hang up, reject and redial via BT.
Support BT stereo music to play and audio output.
Support car accumulator voltage detection.
Support micro SD card (1G-32G) and MP3 and WMA format.
Auto power-off memory function.
Support charging for mobile phone; the maximum output is up to 5V/3.4A.
USB1 supports playing music from U disk and charging mobile phones.
USB2 supports automatic charging identification and charging mobile phones.
Support BT auto re-connection when power on.
Support voice broadcast of navigation and calling incoming.