?Exclusive Lifetime Warranty Service?RisoPhy gaming keyboard is of great durability for using for many years.But we still provide 18 months warranty and lifetime support.We have always been committed to serving every customer well. No matter what problem you encounter, please feel free to contact us to find a satisfactory solution.? Please note that the current discount is limited to the first 1,000 customers. ?Ultimate Ergonomic Comfort & Efficient Arrow Keys?RisoPhy wired gaming keyboard is thin enough,there is no need for a wrist rest and causes no damage to your wrist even with long-time use.There are also 2 strong foldable rear kickstands to help you get a more comfortable experience.Moreover, the ergonomic keyboard is non-slip enough since there are 4 rubber padding underneath the keyboard. ?Full N-key rollover & 12 Multimedia Shortcuts?Full N-key rollover with 100% anti-ghosting ensures that every keypress registers no matter how fast you play.12 multimedia key shortcuts allow you to quickly access to calculator/media/volume control/email.In general,this compact 80% layout mechanical keyboard not only saves you a large area of desktop space but also provides you with the efficiency that other keyboards do not have. ?Rainbow Backlit Keyboard Illuminate Your Desktop?9 different lighting effects,5 levels of light speed and brightness can be chosen.The lights of this gamer keyboard are much brighter and longer lasting than normal keyboards,letting you experience an unparalleled level of immersion when using them.Plus,you never have to worry about missing characters when you typing in the dark.[Light can be turned off if unwanted]. ?Utra-Slim and Super Light Portable Keyboard?Utra-compact layout with 87 keys that free up your desktop,leaving more space for mouse movements. Thanks to the ultra-slim ALUMINUM ALLOY frame,the thinnest point of this 80% keyboard is only 20mm,creating a high-end minimalist desktop for you.For those FPS gamers and office workers who are focused on speed & secure connection,this gaming keyboard is an excellent choice. ?Low-Profile TKL Mechanical Keyboard: Super Quiet & Fast Red Switches?RisoPhy tenkeyless mechanical keyboard is equipped with linear and top-to-bottom red mechanical switches,which could be faster action with minimal resistance without a tactile bump feel, providing a smooth quiet click mechanical stroke experience.Perfect for late-night gaming and office typing without disturbing everyone.