About this item USB C Adapter USB C Dual HDMI Adapter USB C Docking Station for Windows Laptops. Convert your usb c port into 6 ports:2 HDMI (4K 30Hz), 1 USB 3.0 and 2 USB 2.0 ,100w pd. 6 in 1 USB C Hub Dual HDMI With Advance Chip Expand your work opportunities and provide you more stable performance. No need any drivers or software, just plug and play. Support both SST and MST mode. Support Triple display for your Windows laptops. ?Please note that if you use it to connect macbooks, it only support mirror mode without triple display. Cystal 4K Video and 2 HDMI Use HDMI port to enter mirror mode for usb c laptops or extended mode and transfer vivid 4K Ultra HD @ 60Hz or Full HD 1080p @ 60Hz video with 3D effect from laptop screen to a monitor, projector, HDTV, etc. Stream movies, presentations or video games on your monitors in one click: 2 HDMI ports can be used simultaneously, resolution up to 4K@30Hz. Fast Data Transfer 1XUSB3.0 2XUSB2.0 With 1x USB 3.0 ports with 900mA output and ensure instant sync and file transfer at 5Gbps and 480Mbps transfer speed accordingly, and easily connect smartphones, tablet, hard drives for effortless data transfer with USB-C port. 2 extra USB 2.0 allows you to connect keyboard or mouse without any lag. Strong Compatibility Compatible with Dell XPS13/15,Lenovo Yoga 720/910/920/930,Microsoft Surface Book 2/ Surface Go/ Surface Laptop 3,Dell Latitude 13 7000/Latitude 13 E7370 etc.