Round retro typing keyboard: unique round button cap, floating design, bring you nostalgic feeling and eye-catching retro beauty. Mechanical switches: Customized mechanical switches designed to extend service life, improve responsiveness and durability. Mechanical buttons with medium resistance, audible clicks and tactile feedback. Cool Rainbow LED backlight: This keyboard has 7 lighting modes and 2 gaming backlight modes, which you can freely adjust. In the game world, while it is full of fun, the beautiful lights also flicker. Ergonomic Desigend PC gaming keyboard: The steel series mechanical gaming keyboard has a compact ergonomic design and high-quality durable metal ABS structure, and is equipped with board-mounted mechanical keys and switches. Anti-ghosting 87 keys, N key flip: allows multiple keys to work at high speed at the same time. Each button is controlled by an independent switch, allowing you to enjoy high-end games with fast response.