Features: Brand new and high quality. 4-Port USB Sharing Switch allows you to share four USB peripheral devices between four computers with the touch of a button, without constantly switching cables or configuring complicated network sharing software. Improve work efficiency. USB 3.0 2.0 Sharing Switch made of metal casing, not easy to scratch! No external power supply is required for the KM switch box. Supports wireless mice and mechanical keyboards. Perfect for sharing devices like printers, scanners, mice, keyboards, card readers, flash drives, and other USB devices between 4 computers. Widely used for offices or families, monitoring rooms, financial operators, or designers. This is a great sharing switch for data exchange and transfer. Supports 4 USB inputs and 4 USB HUB outputs. Supports speeds up to 480 Mbps; backward compatible with USB 2.0 / 1.1 devices. Plug and Play, supports Windows XP / 7/8/10 / Vista, Mac OS 8.6 and higher. Button and LED indicator lights; you can easily switch between 4 computers with a single click of the button or use the remote cable included in the package to switch. LED indicates the active computer. Specifications: Item Type: USB Printer Sharing Converter Material: ABS Color: Black Interface: 4 Ports Cable Length: approx. 1.5 m/59.06 inches Note: Connect the external power cable first before connecting to computers. Light photography and different displays may cause the color of the item in the picture to differ slightly from the real item. The allowed measurement error is 1-3 cm. Package includes: 1 pc x USB Switch 4 pcs x USB Male to Male Cable 1 pc x Power Cable