Usb 30 stick memory size 8 gb read speed 30 mbs write speed 8 mbs backward compatible with usb 20 memory type flash memory material plastic certificatessafety ce fcc rohs manufacturers warranty 5 years weight 9 g 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 fastener retractable usb plug colour black