Light, modern design meets wireless performance and all-day comfort. Take control with precise detent scrolling, soft thumb rest, and two programmable buttons. Ergonomic comfort, wireless design Work in comfort all day with our premium wireless ergonomic mouse. Navigate precisely with detent scrolling and access your most-used features with two programmable buttons. All-day comfort Ergonomic design promotes neutral hand position. Long battery life Holds a charge for up to 15 months. Connect up to three devices And switch seamlessly between them. Natural hand position Featuring a soft, easy-to-grip thumb rest for added comfort. Smooth and precise Machined aluminum scroll wheel, teflon base, and precise tracking sensor allow for easy navigation on a variety of surfaces. Light, durable design Featuring seamless finishes, in a variety of colors.