Features: Fashionable design USB2.0 interface, mini 5 pin Double oxidize and fogging treatment Specification: 1) USB2.0 high speed data transfer2) Hardware requirement: IBM compatible PC with USB interface3) Capacity: 20G-120G available4) Without external power supply5) Data read speed: 21m/s (relative to hardware specifications)6) Data write speed: 15m/s (relative to 7 storage temperature: -40 ~ 85 hardware specifications) 7) Operating system: Windows 98/SE, Windows 2000/ME/XP, MacOS 9.x/X8) Operating temperature: -10 ~ 709) Driverless (compatible with Windows 2000/XP/ME and OS, Mac without any driver installation)10) Relative working humidity: 10 - 80%11) Relative storage humidity: 5 - 90% Packing: English Neutral Color Box 40PCS/CTN, N.W.:11KGS,G.W.:12KGS MENS.:42.5*32.5*43CM