1) USB specification 2.0 compliance 2) Storage media flash 3) LED indication rapid flash during read/write 4) Access rate: 480Mbps 5) Read/write speed: 9Mbps/8Mbps 6) Memory: 128MB-2GB 7) Operation system Windows 95/98/98SE (driver required) 8) Windows Me/XP/2000 (driverless)