Bluetooth rearview mirror with handsfree carkit With touch key on mirror Temperature display Main features:1, Temperature display 2, With touch key on mirror3, Pair automatically, can pair with 2 or more phone 4, Display incoming call number and with TTS voice reading 5, MP3 play, Support USB and Mirco SD card6, FM transmitter and FM earphone, earphone charing automatically7, Build in lion ...