3 in 1 USB Flash Drive, Card Reader: Upgradable USB Flash Driver, Compact design for mobile user, Supports T-Flash card, High speed USB 2.0 (Backward Compatible with USB 1.1), High transfer rate of up to 480 Mbps, Transfer files between your computer and digital devices, Plug and play for PC platform, LED power/status indicators, Work with default driver from Windows ME/2000/XP/Vista and MAC OS X, Windows 98/2000 (SP1/SP2) and Mac OS 9 are supported by driver.