SIIG USB-C Laptop Adjustable Stand and Docking Station, unique combo design, gives you dual-display visuals and multiple peripheral connections with optimal ergonomic positioning while you're using your laptop. Comes with one USB-C with DP Alt mode and PD input ports (Host), one HDMI video output port, one DisplayPort video output port, one USB-A 3.2 Gen 1 ports, one USB-A 3.2 Gen 1 with 5 V/1.5 A charging port, one USB-C 3.2 Gen 1 with 5 V/1.5 A port, one Gigabit Ethernet network port, one 3.5 mm headset jack to connect Microphone and Stereo audio, and one USB-C PD charging port The Adjustable Stand is fit 10 to 17 inch laptops such as Macbook Pro/Air, weights up to 13.23 lbs. (6 kg), This dual displays with MST technology to set resolution for one 4K (3840 x 2160) @ 30 Hz + 1080p @ 60 Hz video resolution or one single 4K (3840 x 2160) @ 60 Hz of DP/HDMI to deliver stunning crystal-clear images/videos and 5.1-channel surround sound and support Mirror and Extended mode. Supports a USB-C PD pass-through up to 100W input provides enough power for connected USB peripherals and charges your laptop up to 85 W.