low-profile mechanical switches - new high-performance gaming switches offer the speed, accuracy and performance of a mechanical switch at half the height.lightsync rgb - next-gen rgb lighting synchronises lighting with your gaming and entertainment content, personalise each key or create custom animations.premium al-mg build - beautifully crafted, the g815 uses aircraft-grade aluminium alloy to deliver an incredibly thin yet strong and durable design.programmable g-keys - five dedicated g-keys can be programmed with custom macros and commands per game or app profile.usb pass-through - the additional, dedicated usb cable connects the usb 2.0 pass-through port to its own input for full-power throughput and data speed.