all in one memory card reader mini usb 2.0 otg micro sd/sdxc tf card reader adapter for pc lapcomputer

100% brand new and quantity: 1 usb 2.0 interface. metal shell mould, slinky and fashion, portable support plug easy to use, no external power required usb 2.0 version specification, support usb 1.1 version specification high transmission speed, may reach to 480 mb/s system supports: for windows 98se / me / 2000 / xp / vista / 7; for mac os 9.0 or later (no driver needed)