Usb 30 stick memory size 64 gb read speed 130 mbs backward compatible with usb 20 memory type flash memory series transcend jetflash special feature usb otg certificatessafety ce fcc bsmi manufacturers warranty 30 years additional information read and write speed may vary depending on the capacity compatible operating systems windows 7 windows 8 windows 10 mac os x 109 linux 242 android 40 fastener with cap