Informartion: 1. Supports MP1,MP2,MP3 and WMA audio formats 2. One 7# AAA battery 3. Mobile storage function, high-rate transmission 4. Low power consumption design, more than 8hrs playback 5. High speed USB2.0 6.Capability:32MB/64MB/128MB/256MB/512MB/1GB 7. Color:white,black,purple,blue,green,red