SIIG's USB 3.0 4K Dual Video Docking Station - USB-C expands a single USB port from your MacBook , Surface, HP and more to multi-function outputs with dual video, USB Type-A, Gigabit Ethernet and stereo audio out/ Mic in connections. It lets you connect your laptop with a USB-C port or a standard USB Type-A port (with bundled USB-A to C cable adapter) to a single 5K DisplayPort monitor or to two HDMI or DisplayPort displays with 4K Ultra HD resolution for stunning and crystal clear images. Six 5Gb/s standard USB 3.0 Type-A ports are handily provided for connecting multiple USB powered devices such as keyboard, mouse, mobile phone, mp3 player, flash drive or digital camera and more. One RJ-45 Gigabit Ethernet port is also available to support high speed, large bandwidth data transferring or multimedia content streaming with fast and reliable wired network connection. It also includes headphone and microphone jacks for convenient connections. This versatile docking station is the ultimate all-in-one port expansion solution to instantly turn your computer into a high performance workstation for maximum productivity and outstanding video performance.