Usb 30 stick micro usb stick memory size 16 gb other interface micro usb backward compatible with usb 20 memory type flash memory material metal series transcend jetflash special features usb otg waterproof dustproof certificatessafety ce fcc kcc bsmi manufacturers warranty 30 years weight 3 g additional information read and write speed may vary depending on the capacity compatible operating systems windows 7 windows 8 windows 10 mac os x 105