Usb 30 stick memory size 32 gb read speed 90 mbs write speed 25 mbs backward compatible with usb 20 memory type nand flash material metal series transcend jetflash special features splash proof shockproof dustproof certificatessafety fcc bsmi ce manufacturers warranty lifelong weight 7 g additional information read and write speed may vary depending on the capacity compatible operating systems windows 2000 windows xp windows vista windows 7 w