Usb 20 stick plug play backwards compatible to usb 11 memory size 8 gb read speed 14 mbs write speed 4 mbs backward compatible with usb 11 memory type flash memory dimensions 59 x 21 x 9 mm material plastic series philips snow series weight 15 g additional information read and write speed may vary depending on the capacity compatible operating systems windows 7 windows vista windows xp fastener with cap colour white