Add more connectivity to your MacBook or other USB-C laptop with 4K video Gigabit Ethernet two USB 3.0 ports and an SD card reader plus power and charge as you workExpand the connectivity of your USB-C enabled laptop. This USB-C multiport adapter lets you turn your laptop into a powerful workstation virtually anywhere you go and eliminates the hassle of carrying and connecting many different port adapters. TheUSB-C adapter lets you add 4K Ultra HD HDMI video output two USB 3.0 Type-A ports one Gigabit Ethernet port and one SD card reader slot through your laptops USB-C port.You can also use your laptops USB-C power adapter to power both the multiport adapter and your laptop simultaneously with support for USB Power Delivery 2.0. Its the ideal accessory for your MacBook Pro or other USB Type-C equipped laptop and its also Thunderbolt 3 port compatible.Create a powerful workstationWhen coupled with your laptop display this versatile USB-C multiport adapter makes it easy to create a dual-monitor workstation when you need it. It offers a 4K HDMI port (with audio) so you can easily connect a high-resolution monitor and gain access to more screen space. With higher resolutions you can view more windows at once and increase your productivity.The Gigabit Ethernet port ensures reliable wired network access which is ideal for areas with limited Wi-Fi access. Plus with two additional USB 3.0 ports (USB Type-A) you can connect your existing peripheral devices like your mouse or flash drive.The USB-C adapter also features an SD card reader slot so you can access all of your multimedia content.Designed for easy portabilityThis multiport adapter means you dont have to carry multiple power adapters with you. Ideal for mobile use it features a USB-C port that supports USB Power Delivery 2.0 (USB PD 2.0) so you can use your laptops USB-C power adapter to power both your laptop and the multiport adapter.The versatile multiport adapter is compact and lightweight so it's easy to tuck into your laptop bag. It consolidates multiple ports into a single adapter which means you dont need to bring along multiple single-function adapters.The DKT30CSDHPD is backed by a StarTech.com 3-year warranty and free lifetime technical support.Note: To ensure full adapter functionality your laptops USB-C port must support USB Power Delivery and DP Alt Mode.The StarTech.com Advantage- USB-C MUTLIPORT ADAPTER: Portable USB C travel dock with 4K 30Hz (UHD) HDMI video display output; aluminum space grey design complements Macbook Air MacBook Pro Dell XPS and HP EliteBook laptops- 6-IN-1 USB-C HUB: This USB-C multiport adapter features 4K HDMI (UHD) Gigabit Ethernet two USB-A (5Gbps) ports and SD / SDHC / SDXC card reader- 60W POWER DELIVERY PASS THROUGH: This USB Type-C Multiport Adapter allows you to use your laptop's USB-C power adapter to simultaneously charge your laptop (up to 48W) and power the dock (12W)