ADVANCED LOW-PROFILE MECHANICAL Get the speed, accuracy and performance at half the height of traditional switches. Low-profile GL mechanical switches are rigorously tested to meet strict endurance, responsiveness, and accuracy requirements. Available in three switch types: GL Clicky – audible click and tactile feedback  GL Tactile – a gentle bump for some tactile feedback GL Linear – a completely smooth keystroke LIGHTSYNC RGB G813 is fully customizable per key across ~ 16.8M colors. Create your own animations or choose from a selection of preset effects. With LIGHTSYNC technology, lighting is driven by games, audio, or your screen to deliver the most immersive RGB experience ever. Unify a theme, enhance your gameplay, and extend your gaming setup through your keyboard. ENDLESS CONTROL Sleek and sophisticated G815 offers a focused, high-performance experience with every feature you need to take total control—like programmable G-keys and onboard profiles. Make G815 the command center for your PC. USB PASSTHROUGH Connect and power more devices with convenience and speed. An additional dedicated USB cable connects the USB passthrough port on the back of the keyboard for full-power throughput and data speed. Plug in and charge your device or plug in a mouse to charge your adversaries without missing a beat. DEDICATED MEDIA CONTROLS Onboard media controls are right at your fingertips. Dedicated controls quickly adjust volume, play/pause and skip music or videos, and mute audio instantly. LOGITECH G HUB Logitech G HUB gives players unprecedented and easy control over their gear and games. Customize lighting, create macros, and much more. Players can fine tune their gaming gear settings by game, connect to third party apps like Discord and OBS, and download and share custom game profiles with the Logitech G community. PHYSICAL SPECIFICATIONS Length: 475 mm Width: 150 mm Height: 22 mm Weight (w/o cable): 1045 g Weight (w/cable): 1145 g PC Cable Length: 1.8 m REQUIREMENTS Windows® 7 or later macOS® 10.11 or later 2x USB ports (1x keyboard, 1x USB passthrough port) (Optional) Internet access for Logitech G HUB software TECHNICAL SPECIFICATIONS Low Profile GL Switches: Actuation distance: 1.5 mm Actuation force: 45 g Total travel distance: 3.0 mm