Usb 20 stick memory size 8 gb read speed 18 mbs write speed 5 mbs backward compatible with usb 11 memory type flash memory dimensions 22 x 9 x 69 mm material plastic weight 11 g additional information read and write speed may vary depending on the capacity compatible operating systems linux mac os 10 windows 7 windows vista windows xp fastener retractable usb plug colour white