Usb 20 stick memory size 8 gb read speed 8 mbs write speed 25 mbs backward compatible with usb 11 memory type flash memory material plastic manufacturers warranty 5 years weight 86 g additional information read and write speed may vary depending on the capacity compatible operating systems windows 2000 windows xp windows vista windows 7 windows 8 windows 10 mac os x 104 linux 24 fastener retractable usb plug colour black