Capacity: 128M, 256M, 512MB, 1G Color for Option: Blue, Red, etc. Features: - USB 2.0 Version - Mini portable device with attractive and stylish appearance - Bicolor OLED：Graphic（128X64）4 lines - Music format: MP2、MP3、WMA、WAV - synchronous ID3 lyrics display - FM stereo radio, FM recording with Auto Search and Frequency Memory Function - Digital voice recording - EQ Mode: normal/rock/jazz/classic/pop - A-B repeat function and constant repeat - Multi-languages support: English/ French/ German/ Italian/ Spanish/ Portuguese/ Japanese/ Chines - user delete function - Data storage: MP3/data file can be stored and transferred to other PC or MP3 player - Battery life: The built-in rechargeable lithium battery provides up to 12 hours of play time - Operating system: Windows 98/Me/2000/XP ( driver needed for Win98 only) - Size: 70.25X36X18mm, weight: 30g