Usb 20 stick operating temperature 32 113 f 0 45 c storage temperature 50 158 f 10 70 c memory size 16 gb backward compatible with usb 11 memory type flash memory material metal series sandisk cruzer manufacturers warranty 2 years preinstalled software sandisk secure access additional information read and write speed may vary depending on the capacity compatible operating systems linux mac os 10 windows xp windows vista windows 7 windo