... 1. MP3 function 2. Bluetooth handfree function 3. FM function 4. MP3+Bluetooth+FM MP3 Bluetooth and FM Function Sunglasses : TH868 *MP3+Bluetooth+FM, 3 in 1 ... ,3GP and other music format etc. * Easy connection with PC/Laptops , Plug and Play ,no driver needed.* ... such as DHL,UPS,FEDEX,EMS.* Color box size: 19.2 * 7.7 * 8.7CM* Carton size: 47 * 43 ... All-in-one function MP3 Bluetooth Sungalss with FM Radio