... in battery can 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 , Plug and Play ,no driver ... : USB charger, USB cable, Manual and Sunglasses Clean cloth.* Strong quality Exporting Carton* Flash price is depend on the order date. FM Sunglass MP3 player