In-car FM Modulator/HandsfreeEnjoy music from mobile phone, memory card or USB pen drive and hands free functionality on in-car speaker via FM frequencies.Auto switch between calls and music..Bluetooth: V 1.1/1.2/2.0, Class 2, 10 Meters.Support MP3/WMA(option), play SD/MMC music directly.Bluetooth A2DP for wireless transmission of music, .Automatic Bluetooth re-connection..DSP solution for echo cancellation & noise suppression.Audio input supports iPod, MP3 players.Car cigarette lighter power supply (9-26V).20 keys remote and steering remote control (option).LCD display with blue backlight can displays the name of songs