Eight hosts share four USB devices, eight-input and four-output USB sharing device. Shared printing, efficient office - eight hosts share one printer, no need to plug and unplug repeatedly, saving office costs and more space. One-key quick switch - press the button to switch back and forth between 8 computers. Two switching methods - button switching and desktop controller two switching methods to switch quickly without delay. USB interface expansion - USB2.0 interface, can connect different USB devices. Real-time knowledge of working status - the blue indicator light is on, and it is easy to identify the computer being connected. Power supply design - the power interface is specially designed for connecting high-power consumption devices such as hard drives and printers, and can be powered by Android data cable + charger. The metal shell is sturdy and - anti-fall, wear- and anti-interference, fast heat dissipation, and enhanced product performance. Widely used and compatible with multiple systems - suitable for many USB devices. Multiple computers share USB devices to improve office efficiency. Colour:Black Material:Aluminum Alloy Package Contents: 1 * USB KVM Switcher Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.