Bluetooth Steering Wheel Handsfree FM Transmitter Hands Free Caling Car Kit MP3 Music Player Radio Adapter Modulator AUX, Flash Disk & SD Car cigarette lighter socket, 9 ~ 24V wide voltage power supply. Free Steering Wheel Control Included! Free BT Steering Wheel Controller for hands-free calls and music! Charging for the iPhone / Samsung / Nokia / Mot and the other mobile phone. 88.1-107.9MHZ frequency range, support to read MP3 files in the TF card and U disk. Car MP3 WMA Player/ FM transmitter,DSP technology, bluetooth hands-free calling features Full-featured digital infrared remote control function and no angle limit RF technology steering wheel remote control function.