SIMPLE DEVICE SHARING - Compact design provides easy one-touch switching of a USB device or hub between two computers ONE BUTTON TOGGLE - Great for sharing a printer, scanner, or other USB device between two computers (one computer at a time). Attach a powered USB hub that is connected to the keyboard, mouse, and USB 2.0 graphics adapter for an all-USB KVM solution PLUG AND PLAY - Switch works with any USB-enabled computer without drivers - attached devices may require drivers as usual. LED indicator lights show which connected computer has control of the attached devices COMPATIBILITY - Not recommended for switching mass storage devices such as hard drives, flash drives, memory cards, etc. We recommend using the provided 59in/1.5m cables to connect the USB switch to your computer and 6ft/1.8m to your peripheral. 2 YEAR WARRANTY - We love our Plugable products, and hope you will too. This product is covered by a 24 month limited warranty as well as Seattle-based email support