USB 2.0 (full speed) EMI compliance: FCC (class B), CE Capacity: 128 and 256MB, 1, 2 and 4GB Speed: 8Mbps (read), 7Mbps (write) Drivers: Only Windows 98, SE needs the driver Operating current: Above 104mA Suspend current: Below 86mA Data retention: Over 10 years LED indicator: Light flashing when reading and writing data Operating temperature: 0 to +55 degrees Celsius Storage temperature: -20 to +55 degrees Celsius Operating relative humidity: 20 to 90% Storage relative humidity: 20 to 93%[...]

●Support MP3, WMA ,AMV,JPG,BMP format. Watch movie，review photo ●Digital recording, A-B, repeat, built-in FM radio USB2.0 ●65K color display ●bulit-in rechargable battery ●support TEXT file Lyric Showing ●seven color equalizer ●Built-in Stereo loudspeaker[...]

1) Refined exterior design, unique design fits for hand 2) Supports MP3, WMA and video in AMV formats 3) 65K color screen 4) 1.5"(1.8) 65K OLED display 5) Supports firmware upgrade 6) Supports 18 languages 7) Supports FM stereo radio. Powerful automatic or manual tuning capability, save up to 40 channels; supports e-documents, and BMP, JPG picture browse 8) Supports secret space. You can separate part of the memory encrypting and hiding in using programs provided, where data cannot[...]

Rubber casing USB version 1.1/2.0 interface Capacity from 64MB to 4GB Environment operation condition: -5 to 50 degrees Celsius Net weight: 15g Product dimensions: 222 x 18 x 8mm OEM orders are welcome[...]

● Support music format MP3/WMA. ● Direct USB. ● Built-in Flash Memory. ● U-Disk, USB 2.0. ● NO LCD display, NO FM Radio, NO voice[...]