In excellent condition and full working order. It supports Bluetooth hands-free phone calling via its built-in microphone. A2DP function. Music can be played directly while the mobile phone is connected. Built-in dual USB 5V / 4.1A output, 3.1A USB port support smart charging, it is available for charging most kinds of devices in car. SD/TF memory card and USB flash drive (1A USB port) reading, can play music files on MP3/WMA/APE/FLAV/WAV format.