Freecom USBCARD128 / 128MB USB 2.0 Card - 128MB storage capacity Ultra thin credit card form factor device that fits in all credit card holders System requirements: Windows 98 SE/Me/2000/XP, Mac OS 9.0 and higher, Linux 2.4 USB 1.1/2.0 Data retention up to 10 years Includes security password pro and more Home Electrical Products