Usb 20 stick micro usb stick memory size 16 gb read speed 20 mbs write speed 15 mbs other interface micro usb backward compatible with usb 11 memory type flash memory dimensions 30 x 15 6 x 6 4 mm material aluminum manufacturers warranty 1 years preinstalled software dr ufd basic maker cnm software suite 2010 weight 4 g additional information read and write speed may vary depending on the capacity compatible operating systems windows 7 windows 8