lightsync rgbg513 can be customizable per key with approximate 16.8 m colors. create your own animations or choose from a selection of preset effects. and with lightsync technology, lighting is driven by games, audio, or your screen to deliver the most immersive rgb experience everchoice of mechanical switchadvanced gx mechanical switches-engineered and 100% tested for performance, responsiveness, and durability. choose from three distinct mechanical switches- gx blue (clicky), gx brown (tactile), gx red (linear).premium comfortthe memory foam quickly and fully recovers from pressure, so every use is as comfortable as the first. soft, strong and durable leatherette wraps the comfort foam in a waterproof and sweat-resistant material that easily wipes clean. six bottom-mounted rubber feet keep it firmly in place. this palmrest is ready to game.aircraft-grade aluminum alloyg513 is crafted from incredibly strong and durable 5052 aluminum-magnesium alloy which allows for both a minimal design and a beautiful aesthetic. the rigidity of 5052 alloy also provides a sturdy, non-slip chassis that houses a full suite of features for an unbeatable gaming experience.usb passthroughconvenience and speed are directly within reach. the additional, dedicated usb cable connects the usb passthrough port to its own input for full power throughput and data speed. plug in a device to charge or plug in a mouse to charge your adversaries, without missing a beat.full function keysmedia and lighting controls are right at your fingertips. use the fn key to control volume, play and pause, mute, toggle game mode, change lighting effects, etc. use the fn toggle feature in logitech g hub and configure your function keys to perform these alt commands by default.dedicated gaming featuresdon?t lose a game because you fat-fingered the windows key. toggle game mode with fn+f8. deactivate additional keys using logitech g hub. store per-key rgb lighting profiles in the onboard memory for use on any system