... Touch Screen 1)support: MP3, WMA, ASF, WAV, etc 2)FM Radio and support Mini SD card slot 2.8inch ... 1. Capacity: 128M/256M/512M/1G/2G/4G 2. Memory Media: Nand Flash Memory 3. Support Extend ... Mini SD Card Slot 4. Display: 2.8" LCD, 65, 536 touch screen 5. Multi formats support: MP3, WMA ... : Li-ion Rechargeable Battery 17. USB Interface: USB 2.0 18. Operating System: Windows 98SE/ME/2000/XP ...