Computer Networking Hubs: Add this USB data hub and immediately extend the 1 USB port to 7 external USB 3.0 data ports, and then connect multiple USB port devices to your computer or laptop. For example: keyboard, mouse, reader, reader, headset, etc., USB data transmission speed up to 5Gbps, which can transmit high -defined movies in a few seconds. : This USB HUB Designed with Individual On/Off Switches, When you choose to insert the device, you can turn on and turn off the power.. It does not affect each other, Each port contains LED indicator lights, so you can check the power status. : Our USB 3.0 hub comes with a 120cm(4feet) USB cable, enough length to let you arrange your cables anywhere. This compact USB hub is portable enough for work and travel , USB is used widely in each field because of its many merits, such as transmitting at a high speed, plug-and-play, and when developed, it costs less manpower and mater