The DUB-M420 4-in-1 USB-C hub with HDMI and Power Delivery allows you to instantly add a second display,two USB 3.0 ports,as well as one additional USB Type-C port to your ultraportable laptop or personal computer. Just plug the DUB-M420 into an available USB Type-C port and you’re ready to connect to your TV or monitor in full resolution with the reliability of a wired video connection. Add a second screen at high resolutions Connect a second display to the HDMI port for high-resolution video with no lag. SuperSpeed USB 3.0 Ideal for transferring from USB drives,phones,tablets,cameras,and other peripherals. Plug and play Add more available ports simply by plugging the hub into a USB-C port. No additional software required. Thunderbolt 3 compliant Use the Thunderbolt 3 port to transfer data,deliver power,or extend your display in seconds. Turn one port into four ports Instantly add an HDMI port for a second display,two USB 3.0 ports,while keeping a USB‑C port free for your laptop simply by plugging the hub into a USB‑C port. Transfer large files in seconds Use the hub to quickly transfer files to your USB devices like phones,tablets,external hard drives,and flash drives,to your computer. It has the USB 3.0 technology to make transfers of music,HD videos,entire photo albums,backups and other large files much faster than USB 2.0. Easy to take with you everywhere The hub’s compact design makes it convenient to carry with you anywhere and it fits into any laptop bag. When you need it,simply plug the hub into any computer with a USB-C port. It’s that easy. No drivers needed,and no complex software installation required. Extend your screen to a vivid monitor Plug into the hub’s HDMI port to instantly mirror or extend your display to a second monitor with vibrant resolution. And full backwards compatibility means you can connect to a 720p or 1080p monitor. Deliver power through the hub With the Power Delivery feature,you can charge your laptop at the same time as connecting to your USB peripheral devices. Simply connect your USB-C charger to the hub’s USB-C port to provide up to 60W of power to your laptop.