With USB 3.0 Switch-This USB 3.0 Switch Selector allows 2 computers to share 4 USB devices such as printers, scanners, mousers, keyboards and another USB device.Plug it in and use it without inserting the cable.Turn on a button in one second. The button switch and LED indicator can easily switch between the system with the button, and the LED can indicate the computer that is working. Ultra high-speed USB 3.0 switching centers make the data transfer rate up to 5GB/s (10 times faster than USB 2.0).Built -two 100cm A to a cable that works with USB 2.0 and USB 1.1 devices. Connection stable built-in micro USB port that can be powered if necessary.If you need to connect to heavy-duty consumer devices such as hard drives, printers and scanners, power can be powered through the power adapter.[Important Tips: Please use the standard -5V adapter (excluding power supply] Connection stable built-in micro USB port that can be powered if necessary.If you need to connect to heavy-duty consumer devices such as hard drives, printers and scanners, power can be powered through the power adapter.[Important Tips: Please use the standard -5V adapter (excluding power supply]