Plugable USB 3.0 Sharing Switch for One-Button Swapping of USB Device/Hub Between Two Computers (A/B Switch) Compact design provides easy one-touch switching of a USB 3.0 device or hub between two computers. Also backward compatible with USB 2.0/1.1 devices Attach a USB docking station or powered USB hub that is connected to keyboard, mouse, and USB graphics adapter for an all-USB KVM solution 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 SPECIAL NOTE: Not recommended for switching mass storage devices such as hard drives, flash drives, camera memory cards, etc. USB 3.0 "Super Speed" transfers are highly sensitive to cable length. For best results, we *highly recommend* using the provided 3ft/1m 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. We love our Plugable products and hope you will too. All of our products are backed with a 1-year limited parts and labor warranty and Seattle-based email support.