Usb 30 stick mini usb stick memory size 64 gb read speed 150 mbs write speed 45 mbs backward compatible with usb 20 memory type flash memory material plastic series lexar jumpdrive manufacturers warranty 3 years additional information read and write speed may vary depending on the capacity compatible operating systems windows xp windows vista windows 7 windows 8 windows 10 mac os 10 fastener with cap colour black