... Bluetooth handfree function 3. FM function 4. MP3+Bluetooth+FM MP3 Bluetooth and FM Function Sunglasses : TH868 *MP3+Bluetooth+FM, 3 in 1 ... support 5-10 hours playing* Digital mp3 player support MP3,WMA,WMV,ASF,MTVOB,MPG,3GP and ... other music format etc. * Easy connection with PC/Laptops ... order date. All-in-one function MP3 Bluetooth Sungalss with FM Radio