This 4 port USB 3.0 switcher allows 2 computers to share 4 USB 3.0 peripheral devices without constantly pull cables or set up complicated network sharing software. It is ideal for sharing devices such as printer, scanner, mouse, keyboard, card reader, flash drive and other USB devices between 2 computers. The USB switcher has wide compatibility and is plug and play. When its button and LED indicate lights, you can easily switch between 2 computers by a single click on the button with LED indicating the active computer. Item Name: USB3.0 Switcher Material: ABS External Interface: USB3.0 Transmission Speed: 5Gbps Indicator Light: Blue Switching Method: Button Power Supply: Micro USB 5V Size: 11.8cm x 5.6cm x 1.6cm/4.65" x 2.20" x 0.63" (Approx.) Notes: Due to the light and screen setting difference, the item& 39;s color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement. Package Includes: 1 x USB3.0 Switcher 2 x USB3.0 Cables