* This USB Host adapter cable turns your BOOX Tab Ultra C Pro into a USB host, allowing you to connect a USB memory stick, a mouse or a keyboard to your BOOX Tab Ultra C Pro. * PC-free back up of videos and photos from BOOX Tab Ultra C Pro to an external memory stick in a convenient way. * Connect to a keyboard or a mouse for easier control of your BOOX Tab Ultra C Pro. * This cable is used to connect the USB Type-C port of your BOOX Tab Ultra C Pro to the USB Type A plug of your compatible USB device.