This mini USB hub has four USB 2.0 ports Each individual with a max total transmission increase to 480 MBps. All four ports are powered thru the USB micro-B cable. there is certainly also one on-off switch that https://majalnsf497588.bloggerbags.com/35557144/5-simple-statements-about-iogear-2-port-full-hd-kvm-switch-with-hdmi-and-usb-explained