Usb 20 stick mini usb stick memory size 16 gb other interface micro usb backward compatible with usb 11 memory type flash memory dimensions 30 7 x 12 05 x 4 55 mm material metal special features waterproof shockproof manufacturers warranty lifelong weight 35 g additional information read and write speed may vary depending on the capacity compatible operating systems windows vista windows 7 windows 8 mac os 10 linux 26 fastener with cap colour si