1) Hardware: PC, notebook or Macintosh with USB port2) Operating system: Windows98/SE, WindowsMe/2000/XP, Linux2.4.x, Mac OS9.1/Mac OSX, Linux 2.4.X which support USB mass storage protocol3) Drivers: only Windows 98/SE needs the driver4) Capacity:64MB/128MB/256MB/1G/2GB5) USB host interface: USB 1.1/USB2.06) Operating current: <33mA7) Suspend current: <28mA8) Data retention: over 10 years9) Rreading and writing data10) Reading speed: 1000kB/s11) Writing speed: 750kB/sInner packing: Unit size:68*20.5*9mmSilver boxOuter packing: 100pcs/ctn producing area:China payment:T/T or 30% deposit and 70% T/T supplying capacity:3000pcs/day