1> Radium light 2> USB plug and play without extra power supply 3> High speed reading and writing speed: USB2.0/1.1 4> Support USB full-speed (12Mbps) transmission 5> In Win me/2K/XP, Mac9.0 above, Linux 2.4 above, no driver instrallation needed 6> Driver support Win 98/98se 7>Support boot up by USB-HDD or USB-ZIP mode 8>LED indicator for status display 9>Password protection and data encryption prevents unauthorized access to data 10> Application software support in Windows OS. 11>Security function with the application software 12Resize (Partition) available with the application software 13>Available in capacity of 64M/128M/256M 14>The real ball pen function & style