A mouse that not only fits your hand, but also your style sensibilities. The ergonomic right-handed design provides hours of comfort. The Pro Fit Mid-Size Wireless Mouse is built to deliver years of service. Perfect for desktop and mobile users alike, the Pro Fit Mid-Size Wireless Mouse has a nano receiver that operates 2.4 GHz to reduce interference in crowded office environments. The receiver is so small you can leave it in your computer, or slide it in the Pro Fit's built-in receiver storage compartment. Compact mouse provides users with clutter-free productivity for a desktop PC. Complements mobile laptop usage for travel with a storable nano receiver. The ergonomic, right-handed design with a high-definition optical sensor offers precise and responsive control.