Usb 20 stick memory size 4 gb read speed 32 mbs write speed 18 mbs backward compatible with usb 11 memory type flash memory dimensions 60 9 x 19 3 x 8 5 mm material plastic series transcend jetflash special feature splash proof certificatessafety bsmi fcc manufacturers warranty 30 years preinstalled software file rescue weight 85 g additional information read and write speed may vary depending on the capacity compatible operating systems linu