Usb 30 stick mini usb stick memory size 64 gb read speed 35 mbs write speed 20 mbs backward compatible with usb 20 memory type flash memory material plastic manufacturers warranty 2 years weight 2 g additional information read and write speed may vary depending on the capacity compatible operating systems linux 24 mac os x 106 windows xp windows vista windows 7 windows 8 windows 10 fastener with cap colour black