Expansion USB 7 Ports: Tccmebius USB 3.0/USB C Hub can expand one USB 3.0 or USB C port of your laptop, desktop, and other devices to 7 USB 3.0 ports, and allows you to connect 7 USB devices simultaneously. Such as External Hard Drives, Flash Drives, Printer, Keyboard, Mouse, Card Reader, Headphone, Microphone, Webcam, USB Fans, and more USB devices. Independent ON/OFF Switch: Each USB port of the 7-Ports USB 3.0 extender is equipped with an independent switch and LED indicator light, saving the trouble of inserting and removing devices, in order to protect the port from damage and better identify the working status of each USB port during use.