Cable Matters USB to HDMI Adapter (USB 3.0 to HDMI Adapter/USB 3 to HDMI Adapter) with Gigabit Ethernet in Black HDMI COMBO ADAPTER adds both an external HDMI video display and Gigabit Ethernet connection through a single USB port; Connect to monitor or projector with HDMI input; Supports SuperSpeed USB 3.0 data transfer rate up to 5 Gbps USB TO HDMI CONVERTER supports HDMI video resolutions up to 2048 x 1152 including HD 1080p and 2.1 channel stereo audio; Add a display to a notebook without an HDMI port or add an additional display with a using a spare USB port ETHERNET ADAPTER function auto senses the network speed up to Gigabit Ethernet rates for a notebook without a network port or a laptop with a failed network card; Connect to a wired network for fast files transfer rates and better security than a Wi-Fi network; An Ethernet cable (sold separately) is required TRAVEL MINI-DOCK weighs less than 2 ounces to travel in your notebook case instead of carrying a heavy brick dock adapter; Bus-powered adapter requires no external power; Connect to an HDTV, monitor, or projector with HDMI; An HDMI cable (sold separately) is required WINDOWS & MAC COMPATIBLE with Windows 7, 8, 8.1, 10 and Mac OS 10.8, 10.9, 10.10, 10.11 and Ubuntu 14.10 and above; Currently NOT COMPATIBLE with macOS 10.12 Sierra); DisplayLink drivers and instructions are included on a CD or can be downloaded from Cable Matters website