This 4-port USB 3.0 hub docking station by Yonzee is a perfect addition to your workspace. It is compatible with various brands and has a 1:4 connection split/duplication. The black color and sleek design make it a portable and practical unit for your computer. The docking station has been tested and works perfectly. It comes with a USB Standard Type A Female and USB Type C Male connector, and features a California Prop 65 Warning. This unit is a great choice for anyone in need of a reliable and efficient USB hub.