1) Supports USB 2) Full-speed (12Mbps) transmission in Win me, 2k.xp, Mac9.0 above, Linux2.4 above 3) No driver installation needed 4) Supports Boot up by USB-HDD or USB-ZIP mode driver support 5) Win 98SE LED indicator for status display 6) Write protection switch 7) High reading and writing speed: 900k/s and 700k/s 8) Resize (Partition) available with application software available in capacity of 2.0 9) Storage capacity: 4GB 10) USB plug and play without extra power supply 11) USB host interface 12) USB specification: 2.0