ZDMEI 8GB USB 2.0 Flash Drive Compatible with all USB 1.1 and USB 2.0 devices. Compatible with Windows 98 / Me / 2000 / XP / Vista / 7, Mac OS 9.0, Linux 2.4 and above. USB connection:support Hot plug & Play. Capacity: 8GB(it will not exactly at 8GB,about 7GB--8GB,just like theory of PC hard disk). It was very easy to carry.