The Alogic TB3D2D24K-H is a Dual Display Thunderbolt 3.0 dock with power delivery which works with both Mac & Windows computers. The Alogic dock features (1) HDMI (2) Thunderbolt 3.0 (one upstream and one downstream) (5) USB 3.0 (USB-A) Ports with BC1.2 charging on 1 port (1) RJ-45 Gigabit Ethernet (1) SD Card Slot and (1) 3.5mm Combo Audio Jack. The dock supports all the miracles of Thunderbolt 3.0 such as native support for 40Gbps data transfer speed 4K video and power delivery with a single cable. Thunderbolt 3.0: One cable for Power Video & Data The dock connects to your Thunderbolt 3.0 enabled laptop by just one single Thunderbolt cable to charge your laptop transfer data (up to 40Gbps) connect dual monitors Gigabit Ethernet and an audio device at the same time. This feature eliminates the hassle of connecting multiple cables for power and data separately to your laptop. The docking station supports PD (Power Delivery) and can charge your laptop with up to 60W of power through the Thunderbolt 3.0 connection. Laptops rated 80W or 85W will also charge through the dock at a slower speed. Dual Display Output: Increased ProductivityThe versatile dock allows you to connect two monitors simultaneously through the (1) HDMI and (1) Thunderbolt 3.0 outputs on the dock to EXTEND OR MIRROR the content. The maximum resolution supported with dual display is 3840 x 2160@60Hz. The Thunderbolt 3.0 port is Compatible with USB-C video adapters and cables such as DisplayPort HDMI VGA etc. Gigabit Ethernet & USB Expansion The dock also features a gigabit ethernet port to enable connection to a wired network. The dock has 5 USB 3.0 for connecting all your accessories such as mouse keyboard hard drive printers etc. The dock also has Thunderbolt 3.0 port which can be used for Video/Audio output or Connection a Thunderbolt Accessory. The 3.5mm audio jacks lets you connect headphone & mic with ease.