Usb 20 stick micro usb stick memory size 32 gb read speed 10 mbs other interface micro usb backward compatible with usb 11 memory type flash memory material aluminum series hama laeta twin special feature usb otg manufacturers warranty 5 years additional information read and write speed may vary depending on the capacity compatible operating systems mac os 10 mac os 9 windows 7 windows 8 windows vista windows xp fastener with cap colour grey