Sunshine-tipway&reg; USB 3.0 4 ports USB Hub with On/off Switch and ac adpater (black) USB 3.0 4 ports hub supports high-speed 5Gbps, full-speed 480 Mbps and low-speed 12 Mbps USB device profiles. Comes with 4 downstream (USB 3.0 A-type) ports, 1 charging interface and a DC 5V power interface. An intelligent charging port, built-in intelligent charging 2A / 1A auto switch chip. Each port with a LED light, it will light on when connected to computer or laptop. Each port correspond an electric switch, Turn On: press it shortly, Turn Off: press it more one second.Support plug and play