MANHATTAN 177658 Silhouette Optical Mouse Black • 1,000 Dpi • 3 Button With Scroll Wheel • Sculpted, Ultra Sleek Shape With Accurate Optical Sensor • Lightweight & Slim Size Provide Easy Navigation & Control • Flat Surface, Ergonomic & Ambidextrous Design • Low-Friction Base Smoothly Glides Over Work Surfaces • Plug & Play • Windows(Tm) & Mac(Tm) Compatible • Lifetime Warranty • Black