Usb 30 stick mini usb stick memory size 8 gb read speed 90 mbs write speed 6 mbs backward compatible with usb 20 memory type nand flash material metal series transcend jetflash special features splash proof dustproof certificatessafety bsmi fcc ce kcc manufacturers warranty 30 years weight 33 g additional information read and write speed may vary depending on the capacity compatible operating systems windows xp windows vista windows 7 window