Additional Features Three times the battery life Work longer without interruption. New optical technology helps extend battery life to as much as three times that of competing products. Wireless freedom Experience the ease and convenience that wireless keyboards and mouse products offer, and say good-bye to tangled cords and clutter. Multiple colors available Customize your desktop and express your personality. Choose from a spectrum of cool colors, pleasing patterns, and tactile textures. Tilt Wheel Technology The entire wheel tilts to deliver smooth, accurate performance as you scroll horizontally and vertically through documents and Web pages. Smart Receiver Work wirelessly without bothersome interference. Smart technology automatically notifies you when interference is present, and then helps you reduce it. | 
