Usb 30 stick memory size 64 gb read speed 130 mbs write speed 45 mbs backward compatible with usb 20 memory type nand flash material metal special features splash proof shockproof certificatessafety kcc fcc ce vcci manufacturers warranty 5 years weight 89 g additional information read and write speed may vary depending on the capacity compatible operating systems windows 2000 windows xp windows vista windows 7 windows 8 windows 81 windows 10