Designed for comfortable hand support with an ambidextrous shape to fit a left- or right-handed user Advanced 2.4GHz wireless connectivity gives you both convenience and reliability, delivering fast data transmission with practically no delays 10-metre wireless range offers the freedom to work and browse from a distance 12-month battery life means less annoying interruptions for battery changes Hassle-free setup; simply plug the tiny wireless receiver into the USB slot of your computer Compatible with Windows, Mac, Chrome, and Linux operating systems