Usb 20 stick memory size 64 gb read speed 32 mbs write speed 18 mbs backward compatible with usb 11 dimensions 63 01 x 21 x 8 8 mm material plastic series transcend jetflash certificatessafety bsmi fcc kcc c tick manufacturers warranty lifelong preinstalled software file rescue weight 10 g additional information read and write speed may vary depending on the capacity fastener retractable usb plug