Adjustable to any angles， and fit to all types of Vehicles Full frequency FM transmitter Digital Display Support Line audio Output With power off swith (USB direct connect) Support U Disk Player， Support MP3， WMA format Bluetooth Hands-free function: answer hang up， reject， redail calls and other functions Bluetooth Stereo music play Echo Cancellation and moise suppression(CVC) technology during a call Support dual USB output voltage， the maximum output 5V / 2A Automatic power-off memory functionWhat is included: 1 x Bluetooth FM transmitter Car Charger 1 x Audio cable 1 x Manual