Brand New Certification: CE Origin: CN(Origin) Type: Laptop Docking Stations P.S. : Support MST, Multi-screen different display, only supports windows systems. Attention: Compatible Computer and mobile phone need Type C 3.1 protocol, then product can be use. Compatible Computer and mobile phone need Type C 3.1 protocol then can use RJ45 interface normally. Less than Type C 3.1 protocol, use install the driver. We do not provide drivers. When you use two HDMI ports, the PD charge port power cannot more than 60W, if more than 60W, then it will effect two HDMI ports use normally. When use RJ45, please don't use PD Charging in the same time. Because the current is too large, the RJ45 will not work normally, power off, and heat. Pay attention: The PD charging port requires the original charging equipment of the Macbook