Usb 20 stick memory size 16 gb read speed 20 mbs write speed 6 mbs backward compatible with usb 11 dimensions 74 x 20 x 8 mm material rubber series takems mem drive special features bootable splash proof dustproof weight 10 g additional information read and write speed may vary depending on the capacity compatible operating systems windows 2000 windows xp windows vista windows 7 windows 8 mac os linux fastener with cap