11 IN 1 USB C Dock: This dual monitor docking station contains 2* 4K HDMI port, 3*10G USB 3.1, 2*USB 2.0, USB C PD Charging, VGA, 1000M Gigabit Ethernet RJ45 port, and Audio/Mic 2-in-1 port; All the ports of this docking station can be in use simultaneously, allow you easily connect the keyboard, mouse, USB driver, external Disk to your laptop;This LIONWEI USB C Docking station Dual HDMI efficiently meet all your working and entertaining needs Triple Display Docking Station: Support SST & MST for Windows OS, you can mirror or extend with crystal clear 3D visual and high quality video experience through 2 HDMI ports and 1 VGA, HDMI resolution will be 4K@30Hz (while DP1.4 source) if two monitors play simultaneously. Display output will be 1080P@60Hz when dual or triple display with VGA. (Single use HDMI 2 can up to 4K 60Hz under DP1.4 source);(❤NOTE: All external monitor images are same on MacOS. due to OS system limit) 10Gbps USB 3.1,Fast speed transfer: 3*USB 3.1 up to 10G, backwards compatible with USB 3.0 / 2.0; 2*USB 2.0 ports are more suitable for mouse, keyboards or other slow device to improve work efficiency and avoid radio signal interference; The dual hdmi docking station supports Power Delivery, thunderbolt 3.0 technology with a rated power of 87W and offers significantly faster charging times; 1000M Gigabit Ethernet RJ45 port can download movies quicker,reduce latency in games 3.5mm Audio:This USB C dual hdmi adapter makes listening, talking or recording a breeze, Plug in your earphone to ensure you charge and listen to music at the same time; When connecting HDMI, the audio port can be directly plugged in and used,When using the headphone jack alone, you need to make settings. (Windows system: click sound--playback device--select the external audio device name--check as the default device; Mac OS: click settings--sound--output device--click the external device name) 18-Month & Certified Safe: FCC, CE and RoHS certified.This USB C Dual Monitor Docking Station combines 12 ports in one step solution including 1*4K@60Hz HDMI/ 1*4K@30Hz HDMI /1*VGA/ 2* USB 2.0/ 3*USB 3.0/ 1* 87W USB C PD Charging/ 1*RJ 45 Gigabit Ethernet/Audio Combo; With LIONWEI, you have 60 days to try out and 18 month's product and technical support