TRENDnet's Multi-Computer 4-Port USB 3.1 Sharing Switches each feature a switchable 4-port USB 3.1 hub that you can share between multiple computers. These USB switches are easy to install - simply plug in your mouse, keyboard, flash drives, or scanners, and then share those devices with multiple computers. The 4-port USB 3.1 share switches support a wide variety of USB peripherals with USB 3.0, 2.0, and 1.1 backwards compatibility. Easy Installation This USB switch is easy to install - simply plug in mouse, keyboard, flash drives, or scanners, and then share those devices with up to four computers. Compact Design A compact housing makes this USB 3.1 share switch ideal for desktop installations. USB Powered The USB switch is powered via USB - no external power adapter is required.