Supports up to 100W of power delivery to keep your laptop charged Supports resolutions up to 4K, for viewing your screen content at full HD Supports VGA resolutions up to 1920 x 1200 USB-A and USB-C ports for fast data transferring Hard wired Ethernet port for when security requires it or when WiFi is not available SD Card Reader to transfer pictures, video, or other multimedia Reversible, symmetrical USB-C connector, so no guessing how to plug it into your laptop Compatible with the Apple MacBook, MacBook Air, and MacBook Pro Compatible with the Microsoft Surface Book 2 and Surface Go