Ultimate Personalization and gaming immersion with Razer Chroma: offers effortless, full integration with popular game titles and syncs with Razer hardware, Philips HUE, and gear from 30+ Partners; supports 16.8 million colors on individually backlit keys Optimized gaming surface: features a micro-textured surface for precise pixel-tracking-callibrated for all mouse sensors-with a surface coating for both fast and controlled playstyles Non-slip rubber base: made of natural-foam rubber for keeping the Firefly hard V2 mouse mat in place Built-in mouse cable Manager: keeps wired mice in place for organization and Mouse bungee-like functionality