Game with confidence thanks to industry-leading power efficiency. With up to 350 hours of gameplayi on a single charge of the lithium ion battery, you can keep the fight going for weeks on end. Attack with deadly precision: Move swiftly and precisely with the latest generation custom Alienware native 16,000 DPI sensor. Personalize your arsenal: Switch up your gameplay instantly with seven buttons that are fully programmable thanks to the Alienware Command Center. Plus, stay one-step ahead of your opponents with pre-loaded tension on the main clicker mechanism for a controlled, crisp, tactile click Game for hours on end with a sculpted, comfortable, edge-free design that supports both claw or palm grip styles. The unique ergonomic design offers improved stability and palm cushioning, so you can keep your focus during marathon sessions.