Play low-resolution images on 4K screens through the HDMI port on this USB hub. The USB 3.0 connectors provide transfer rates of up to 10 Gbps and fast charging for smartphones. Features an aluminum exterior for safe transportation. Plug-and-play functionality requires no drivers or software. Number of Ports: 3; Transfer Rate: 10 Gbps; Width: 3.73"; Depth: 1.3".