Usb 30 stick micro usb stick memory size 64 gb read speed 130 mbs other interface micro usb backward compatible with usb 20 memory type flash memory material plastic series sandisk ultra special feature usb otg weight 52 g additional information read and write speed may vary depending on the capacity compatible operating systems windows vista windows 7 windows 8 windows 10 mac os x 106 fastener retractable usb plug colour grey