LIGHT-SPEED wireless delivers pro-grade performance with flexibility and freedom from cords. Creates a clean aesthetics for battle-stations. Delivers 30 hours on a single full charge. LIGHTSYNC technology provides next-gen RGB lighting that synchronizes lighting with any content. Personalize each key or create custom animations from -16.8M colors with Logitech G HUB software.Actuation force: 50 gram Low Profile mechanical switches offers the speed, accuracy and performance of a mechanical switch at half the height. The GL Tactile switch produces a discernible bump at the point of actuation. Comes in 3 options: GL Tactile, GL Linear or GL Clicky. Beautifully crafted, the G915 uses aircraft-grade aluminum alloy to deliver incredibly thin but rigid and durable design. Enjoy 30 hours of game time on a single charge. Low battery warnings at 15% on the keyboard battery LED and via pop-up notification in the Logitech G HUB software. Quickly recharges in 3 hours.