• FULL-SIZE. FULL COMFORT Optimal comfort for your right or left hand with a contoured shape designed to follow the natural curve of larger hands. Specially scooped buttons guide your fingers into ideal placement, while additional palm support provides all-day comfort. LAG-FREE WIRELESS Work wirelessly and move freely — from up to 10 meters away — with virtually no delays or dropouts. No cable means no clutter on your desk — and easy transport from one workspace to another.