Usb 20 stick memory size 16 gb backward compatible with usb 11 dimensions 31 6 x 16 4 x 6 mm material zinc alloy series silicon power touch special feature splash proof manufacturers warranty lifelong weight 63 g additional information read and write speed may vary depending on the capacity compatible operating systems linux 26 mac os 10 windows 7 windows vista windows xp fastener retractable usb plug integrated security password protection