This mini USB hub has four USB two.0 ports Each and every with a max overall transmission accelerate to 480 MBps. All 4 ports are powered thru the USB micro-B cable. there is also only one on-off switch that controls https://safaktfg426910.dreamyblogs.com/30727858/not-known-details-about-iogear-2x4-usb-3-1-gen-1-type-a-peripheral-sharing-switch