Usb 20 stick memory size 64 gb read speed 32 mbs write speed 18 mbs backward compatible with usb 11 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 weight 85 g additional information read and write speed may vary depending on the capacity compatible operating systems windows 2000 windows 7 windows vista windows xp fastener with