Ergonomic Design: The ergonomic design ensures maximum comfort and control, preventing fatigue during those longer gaming sessions. Perfect for work and play. Ultra Lightweight: Weighing just 66 grams, this mouse is astonishingly lightweight, granting you lightning-fast speed and effortless maneuverability, giving you the agility needed to react faster than your opponents. Dual Wireless Connectivity: Freely switch between lag-free 2.4 GHz wireless for the most responsive gaming experience, and versatile Bluetooth for longer battery life when you're on the go