AHAOMG(TM) Wooden USB Drive Bamboo 2.0 Memory Flash Sticks Storage U Disk With Wood Case capacity :4GB Support PC Mode: all brands of PC,such as Macintosh, PowerBook,iMAC,iBOOK etc. System: Support W98 or over it, USB2.0 slot, compatable USB1.1, 1.0, data transfer speed is fast; Operating System:Windows Vita/XP/2000/ME/Windows 7/Windows 8Mac OS X 10.X and above,Linux