Usb 30 stick micro usb stick memory size 64 gb read speed 130 mbs other interface micro usb backward compatible with usb 20 memory type nand flash material metal special features usb otg shockproof waterproof certificatessafety kcc fcc ce vcci manufacturers warranty 5 years weight 52 g additional information read and write speed may vary depending on the capacity compatible operating systems windows 7 windows 8 windows 10 fastener with cap