... MP3, WAV, WMA format3.Plastic shell 3. Specification:StorageMemory Type Flash MemoryMemory Capacity 1 GBSupport Formats Audio Format MP3, WMA, WMV ... Transfer Connection Type USB 2.0Compatible Operating Systems Microsoft Windows Vista , Windows 98/SE/ME/2000/XP , Mac OS 10 , Linux ... /W*D*H 85x60x8mmWhat's in the box 1 Mp3 Player , 1 User Manual , 1 Earphone , 1 Power Adapter , 1 USB ...