<ul><li>Ergonomic design for natural 60° arm and wrist position, reducing strain and pain</li><li>Lightweight and comfortable with thumb rest and rubber coating for improved grip</li><li>10 meter wireless range for freedom of movement and better posture</li><li>800/1200/1600 dpi optical sensor for accurate control, with two thumb buttons for quick access</li><li>Easy plug and play setup with storable USB micro-receiver, compatible with PC, laptop, and Mac</li><li>Includes 2x AAA batteries for immediate use</li></ul>