1.Portable and best price 2.1 year Guarantee 3.1GB to ... , such as synchronized lyrics display Product Name screen clip mp3 player Interface USB1.1/USB 2.0 Playing Modes MP3, WMA ... ,2G,4G,8G,16G )Package box,earphone,usb cable,mp3 player,user munal Instructions for use:First, the MP3 switch is ...