Does The Mechanical Keyboard with Clicky Clack ? 】 - Yes, this gaming keyboard use the blue switch which offer medium resistance, audible click sound and tactile feedback 【 How to Control The Light ? 】 - This black mechanical gaming keyboard offer multiple rgb light modes. Press Fn + Ins to choose light mode, Press Fn + ↑ / ↓ to bright / dim the light, Press Fn + ← / → to change speed 【 What System Does It Match ? 】 - The plug of our retro gaming keyboard is USB port, which make it as easy as plug and play. This wired mechanical keyboard adapt to Win 2000/ 7/ 8/ 10/ XP, Vista, Linux, Mac, etc 【 Durable & Special 】 - These keycaps adopt two-color injection molding process, which is durable. And the unique round keycaps make this keyboard so different to traditional keyboard 【 Both For Office & Gaming 】 - With 26 anti-ghosting keys and adjustable rear feet, this cute keyboard has good performance both in office and gaming