IOGEAR travel Pro USB-C dual HD dock with power Delivery 3. 0 quickly expands your USB-C laptop or tablet's connectivity. Travel lighter with this portable, 7-in-1 dock and leave your bulky accessories at home. The travel Pro dock is equipped with a USB-C power charging pass-through port, two high-speed USB 3. 0 expansion ports, Dual SD/MicroSD card reader/Writer and dual monitor ports via an HDMI and DisplayPort monitors. Never worry about running out of power while using the travel Pro USB-C dual HD dock. Attach your laptop or tablet's original USB-C AC charger to the dock's USB-C port to deliver up to 85W of power to your workstation and dock-connected devices. Extend your viewing workspace by adding dual HD monitors for a more complete visual experience or connect a single 4K monitor for sharp, crystal clear resolution. 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. 7-In-1 dual video USB-C travel docking station for mobile professionals charge laptop & devices with up to 100W pass-through* connect two displays**, HDMI or DisplayPort (DP++)*** to enjoy HD Audio & video resolution up to 1080P run a single display at 4K @30Hz resolution via HDMI or DisplayPort simultaneously access both SD & microSD card reader/Writer for memory expansion offers 2x USB 3. 0 ports; 1x BC1. 2 Charging port (1. 5a) compatible with Thunderbolt 3 (USB-C) laptops & tablets travel-friendly cord keeper & rugged aluminum housing ensure on-the-go durability fast role swap provides safe operation for connected devices during power changes* power delivery pass-through requires USB-C charger From your laptop. A total of up to 85W can be charged to the laptop after deduction of 15W is used by the dock. Pass-thru power delivered to the laptop is dependent upon the capacity of your USB-C power supply. Ex. If your USB-C power supply is 60W, then the maximum power can be delivered to the laptop is 60w-15w = 45W. If your power supply is 87W, then the maximum power can be delivered to the laptop is 87w-15w= 60W. **Only one additional video output is supported for extended desktop on Mac OS x**dp++ supports HDMI and DVI output with Active DisplayPort adapters