Features:1: Adjustable to any angle for all types of vehicles to use.2: Support for digital display soft switch.3: Support TF card 1G-32G card player4: Support MP3， WMA format music5: Bluetooth Handsfree6: Support for Bluetooth stereo music playback7: When you call echo cancellation and noise suppression (CVC) technology8: Support infrared remote control function9. Support infrared remote control or switch answering phone calls10. This product is built-in rechargeable lithium battery.11: Support for other USB-powered devices， the maximum output 5V / 2.1A12: Host and cigarette lighter easy to operate separate work.13: Stereo Bluetooth and FM transmitter technology14: Auto power-off memory function15.360 degrees separate volume control and incoming calls.