Komingo USB 2.0 HUB 7-port High Speed 480mbps Support 500gb HDD On/off Sharing Switch Red LED for Laptop Pc Notebook Computer 1.7 Port High Speed USB 2.0 HUB.Hot Plug and Play USB Device.Bus-Power limited current protection 500mA. 2.Each HUB with ON/OFF Switch, easy to control.Half-transparent design with RED LED for power. 3.Supports up to 480 Mbps data transfer rate and is ideal for alleviating desktop clutter. 4.Fully Compliant with USB specification version 2.0, backward Compatible with USB 1.1. 5.Fully Compliant with USB specification version 2.0, backward Compatible with USB 1.1.