Micro usb stick usb 30 stick memory size 16 gb other interface micro usb backward compatible with usb 20 memory type flash memory materials plastic metal special features usb otg dustproof waterproof shockproof certificatessafety ce fcc bsmi weee rohs kcc manufacturers warranty lifelong weight 33 g additional information read and write speed may vary depending on the capacity compatible operating systems android 41 windows phone 8 linux 26