Usb 30 stick micro usb stick memory size 64 gb read speed 70 mbs write speed 10 mbs other interface micro usb backward compatible with usb 20 memory type flash memory dimensions 36 8 x 7 2 x 15 mm material metal manufacturers warranty 2 years weight 3 g additional information read and write speed may vary depending on the capacity compatible operating systems windows xp windows vista windows 7 windows 8 windows 8 fastener with cap