Bluetooth Car adapter,FM Transmitter&Music car charger,3.1A Dual USB Port Charger compatible BIG LED DISPLAY: 1.44 inch display,can show bluetooth, volume, frequency symbol and call number, song name and so on.Allows you to easily know the content of the FM transmitter. • ANY ANGLE CONVERSION:Use flexible hose and flexible joint,Can change to any angle.Can face to any people in the car. • BLUETOOTH FUNCTION : Bluetooth V3.0 ,Transfer Calling / Music / FM .Built-in Microphone,Switch to Hands-free mode automatically from music playing status when receiving calls.Answer/Reject/Hand up/Recall .Bluetooth connect distances : 5 meters.Fit for most of android and IOS. • 2 PORT USB TO CHARGING: 2.1A and 1A.Input 12v/24v offer convenient and charging for you and your friends.Do not fit for 36V trunk. USB charging cable is not included. • MUSIC PLAYING FUNCTION : Support Bluetooth Music/ TF Card/WMA/MP3/FLAC/AVRCP/A2DP format. Listening to music while charging.Power off memory function,From broken song began to play.