? Both For Office & Gaming ? - With 26 anti-ghosting keys and adjustable rear feet, this cute keyboard has good performance both in office and gaming. ? 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. ? 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. ? 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. ? 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.