1.Adjustable to any angles ，and fit to all types of Vehicles 2.Full frequency FM transmitter 3.Digital Display 4.Support Line audio input 5.With power off switch (USB direct connect) 6.Support U Disk Player 7.Supports MP3， WMA format music 8.Bluetooth answer， hang up， reject， redial calls and other functions 9.Bluetooth stereo music play 10.Echo cancellation and noise suppression (CVC) technology during a call 11.Supports dual USB output voltage， the maximum output 5V / 2A 12.Automatic power-off memory functionCompatible with: iPhone 6 6Plus 5s 5c 5 4s 4 3gs Samsung Galaxy S5 S4 S3 S2 Note 4 3 2 A Series HTC One M7 M8 M9Package included: 1 x Bluetooth FM transmitter Car Charger 1 x Audio cable 1 x Use Manual