... ,UP-to-Date 1.LIne -in Function , can be connnected notebook, mp3, mp4, iphone;2. stereo FM radio;3. Built 1450m ... time , last more than 20 hours;6, Built -in TF CARD slot optional Nand flash provide big compacity to store music ... of the speakers;11, Storage compacity: 2GB/4GB/8GB +TF CARD + memory sticker12, Audio format: MP3/WMA13. File system: FAT16 /FAT3214: Ambient ...