This mini USB hub has 4 USB 2.0 ports Every with a max overall transmission accelerate to 480 MBps. All 4 ports are powered thru the USB micro-B cable. there is also one on-off switch that controls the 4 USB ports. " https://www.leo-brand.com/products/iogear-2-port-full-hd-kvm-switch-with-hdmi-and-usb