Specification:Capacities: 8GB\/4G\/2G ( optional )Reading Speed: 5M\/SWriting Speed: 22M\/SInterface: USB interface， no drive， plug and play， hot-swappableEndurance: 1，000，000 times rewritableApplicable models: the various brand PC and compatible computers， Macintosh， PowerBook， iMAC or iBookSpecial design: earthquake proof， anti-electromagnetic waveOperating System: Windows 2000 \/ XP and above Power Source: USB bus-powered (4.5V ~ 5.5V)Operating Current: !#!amp!*!lt;50mA High speed Read !#!amp!*!amp; Write， maximum to 12mb\/s Data Retention: 10 years up USB 2.0 Hot Plug !#!amp!*!amp; Play Compatible; Compatible with USB 2.0Operating Temp: -10 to +55Deg.C Storage Temp: -20 to +55Deg.CPacakge Included:1 X Chinese Style USB Flash Disk.