Features: 1) Advanced genuine leather cover with two colors: black and brown 2) No need for external power supply 3) High speed of data reading and writing: a) USB 1.1 port: 860Kbps of writing speed, 960Kbps of reading speed b) USB 2.0 port: 11Mbps of writing speed, 12Mbps of reading speed 4) Support software encryption, with BIOS HDD / ZIP DOS starting functions 5) With encryption and data protection functions 6) Can be erased and written repeatedly for one million times 7) Data storage for a long time 8) Low power consumption and high integration 9) Compatible with the operation systems of Windows 98 / SE / ME / 2000 / XP, Mac OS 8.6 and above, Unix, and Linux 2.4 or above (installation driving program for Windows98 is needed) 10) Storage capacity: 32MB - 1GB