Car Wireless FM Adapter Dual USB Port Charger Mp3 Player Kit Hands~Free 3.1a Fast Charge

How to use:1. Insert the device to car outlet, start the car for Power ON;2. Tune the car radio and device to a same blank , such as if car radio is 87.5MHz, the device must be 87.5MHz to, pre [CH] to adjust frequency;3. Turn on the of phone, search "-Car" and Pair with it, pair succefully, play phone music, sounds will comes out from car speakerTF/USB F Music playing:If insert the TF card or USB f drive, it will automatically play USB music;pre [Answer] on to swtich music mode between USB/TF/modesmode:* Short pre [Answer] on: Answer / Hang up call;* pre [Answer] on: Reject call* Double pre [Answer] on: Redial last phone number