Generic Steering Wheel Car Wireless Bluetooth Car Kit Handsfree Kit + Mp3 Player USB + Fm Transmitter Radio Modulator with Car Charger .3-in-1 functions: Car Bluetooth adapter & MP3 player & wireless FM transmitter Easy to mount on steering wheel Built-in loudspeaker, microphone and wireless earphones, FM transmitter&lt;br&gt; .Main function: Bluetooth hands-free access calling + FM transmitter + MP3 player Pairs with your Bluetooth mobile phone for hand-free access calling Makes you both safe and convenient to talk while you are driving in car, truck or delivery van&lt;br&gt; .Bluetooth version: Bluetooth V3.0 BlueCore3 Bluetooth connectivity distance: up to 10m FM transmitter for broadcasting music from audio device to your car stereo&lt;br&gt; .FM frequency 88.1-107.9MHz Built-in MP3 decoder chip reads audio files from TF card LCD screen show call phone number, sequence, frequency, time&lt;br&gt; Automatically download phonebook from mobile phone and memory 600 phone numbers Built-in rechargeable battery&lt;br&gt;