Micro usb stick usb 20 stick memory size 64 gb other interface micro usb backward compatible with usb 11 memory type flash memory material plastic special feature usb otg manufacturers warranty 30 years weight 28 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 10 mac os x 104 linux 24 android 40 fastener with cap colour black