2-in-1(ballpen and datastorage) Bootable Built-in flash,capacity range:64MB/128MB/256MB/512MB/1GB/2GB Intelligent sub-area or all space encryption Support USB1.1/2.0;support hot plug&play System requirements Win98/ME/2000/XP,Mac OS 9.x/X,Linux2.4x No driver installation required except Windows98 Driver Support Win 98SE LED indicator for status display Write:860KB/s(V1.1) 11MB/s(V2.0) depending on computer configuration Read:960KB/s(V1.1) 12MB/s(V2.0) depending on computer configuration Data retention:at least 10 years. Humidity under operation: 10 - 90%