USB 3.0 KVM Switch Selector 2 Computers Sharing 4 USB Devices 4 Port USB Peripheral Switcher Box 2 in 4 Out with One-Button Swapping 2 Pack USB 3.0 Cable for Mouse, Keyboard, Scanner,Printer,Computer

This switch requires manual control to select the active computer port; it does not 'automatically' switch between ports.Using the provided 1.5M cables to connect the USB switch to your computers and to keep the USB cable which connects your peripheral to the USB switch under 6ft/1.8m.Please use Standard DC 5V USB Power Adapter if needed (Not Included in the package, sold separately).

Any charger with higher voltage output is NOT allowed and may affect the product performance.2.4Ghz wireless devices, such as Wifi, wireless keyboard and mouse adapters, may not work stably in close proximity to USB 3.0 devices or hubs.

Try using the host port or a USB 2.0 connection.