JR Ultra slim 4 Port 5Gbps super speed transmits USB 3.0 HUB with 50cm cable suitable for iMac, MacBook Air, MacBook Pro, Mac Mini, PC and Laptop USB HUB can cover all of these product and bring convenience for our life 50cm cable are much more longer than other USB Plug Independent switch can control each USB individually 5Gbps super speed transmits Easy to set up, No heavy and complicated setting step