FM RADIO TRANSMITTER: An FM transmitter adapter that draws power through the car power socket. It transmits music and can also play radio stations with 206 channel options. 2.1 BLUETOOTH CONNECTIVITY: Comes with a built-in 2.1 Bluetooth for wireless music streaming. Compatible with Bluetooth devices like iPhone, android smartphones, iPad, tablets and more. The wireless range is up to 11 feet. DIGITAL LCD DISPLAY: Made with digital LCD display to show radio channels and simple button controls. Offers easy manual control to play, pause, forward music, answer calls and more. MEDIA FILE SUPPORT: Supports several media files with its USB flash drive port and micro SD card reader. This supports a maximum memory of upto 32 GB. HANDS FREE CALLING: This Bluetooth wireless streaming receiver is also a car charger that has an automatic switch for hands-free calling mode. Transmits calls through vehicle's speaker for drivers to take incoming calls while driving safely.