General Description Turn your ultra-learning device into a productivity engine with a multi-purpose connectivity concentrator. Connect everything from a larger HDMI display to an external hard drive using the same USB-CTM1 port, to enjoy a full experience that allows you to accept large workloads, anywhere. Features Various connections Connect to an external display or other accessories via ports, HDMI USB-CTM and USB. Portability with pocket size Compact and light to travel smoothly and without adding weight. Practical cable With a generous 12" cable, you can place the concentrator where you need it.