Perfect Companion for Traveling Professionals IOGEAR USB-C Travel Dock with Power Delivery 3.0 expands the connectivity of your laptop or tablet's USB-C port. Travel lighter with this portable, 8-in-1 dock and leave your bulky accessories at home. The Dock is equipped with a USB-C power charging pass-through port, three high-speed USB 3.0 expansion ports, a Gigabit Ethernet port, SD/MicroSD card reader/writer ports and a 4K HDMI port. Charge Laptop & Devices with 100W Power Delivery Never worry about running out of power while using the IOGEAR USB-C Travel Dock. Attach your laptop or tablet's original USB-C AC charger to the dock's USB-C port to deliver up to 100W of power to all dock-connected devices. 4K Resolution Video Output Extend your viewing workspace by adding an HDMI monitor for a more complete visual experience. The Travel Dock supports up to 4K resolution video for sharp, crystal clear images. USB-C to SD/MicroSD Card Reader Read and write both SD and MicroSD card content and efficiently transfer full-resolution photos, documents and videos between mobile, computer, and external storage devices. Quickly Add USB Ports Expand your laptop or tablet's USB-C port with three USB Type-A 3.0 ports. Use your existing USB peripherals like your favorite keyboard and mouse, printer, or HDD with your new mobile device. The Travel Dock is capable of transferring pictures, video and music at high-speed data rates reaching 5 Gbps and is backwards compatible with USB 2.0 and 1.1 devices. Maintain Power Fast Role Swap is an advanced feature in the USB Power Delivery 3.0 specification which ensures the docking station will maintain power anytime it drops below a set threshold such as while unplugging the USB-C power adapter from the dock or during an unexpected loss of building power. This feature provides a smooth, safer operation of connected devices, so your work does not get interrupted.