This mini USB hub has 4 USB 2.0 ports Each and every with a max overall transmission increase to 480 MBps. All 4 ports are powered thru the USB micro-B cable. you will find also just one on-off switch that controls https://zaynabfskn460812.humor-blog.com/29651626/a-review-of-visiontek-vt2900-usb-c-dual-system-kvm-docking-station-with-100w-power-delivery