Adds one DisplayPort or HDMI display, USB 3.0, and Gigabit Ethernet port to Mini DisplayPort and USB 3.0 enabled computers and laptops Adds one DisplayPort or HDMI display, USB 3.0, and Gigabit Ethernet port to your Mini DisplayPort and USB 3.0 enabled computer and laptop Supports USB 3.0 data transfer rates up to 5Gbps for fast data transfer and stable performance Converts your system's Mini DisplayPort output to either HDMI or DisplayPort output Supports triple display modes (Mirror, Extended, Primary) through either HDMI or DisplayPort output to accommodate various presentation or entertainment software Supports Ultra HD resolution of 4K@60Hz for DisplayPort and 4K@30Hz for HDMI. Note: Only one video output can be used at a time, either HDMI or DisplayPort. DOES NOT support both video outputs simultaneously Compact and lightweight design makes it easy-to-carry and the perfect on-the-go accessory Compatible with many Mini DisplayPort and USB 3.0 equipped computers, laptops and tablets Plug and play, no driver installation and no external power adapter required. Note: This product is bus powered via your computer's USB 3.0 port using the included USB 3.0 Type-A to Micro-B cable, a power adapter is not required or included