1) Supports USB full-speed (17Mbps) transmission   2) Windows Me/2000/XP, Linux 2.4.x, Mac OS9.1/Mac OS X, Linux 2.4.X which support USB mass storage protocol, no driver installation needed 3) Supports boot up by USB-HDD or USB-ZIP mode 4) Driver support Win98/SE LED indicator for status display 5) Write protection switch 6) High reading and writing speed 8) USB 2.0: high reading and writing speed 15Mbps and 17Mbps 9) Capacity:16MB, 32MB, 64MB, 128MB, 256MB, 512MB, 1GB,2GB,4GB 10) Operating current: <104mA 11) Suspend current: <86mA 12) Operating temperature: -10 ~ 55oC 13) Storage temperature: -20 ~ 55oC 14) Operating relative humidity: 20% ~ 90% 15) Storage relative humidity: 20% ~ 93%