?After-sales Guarantee?During use,please refer to the instruction manual for specific key operation. We make every effort to ensure the quality of Motospeed keyboard, but if you find any problems with the product, please feel free to contact us. Within one month, you can return or exchange for free. Your satisfaction and happiness will be our motivation and direction to pursue continuous product upgrades!. ?Simple and Hot Personality?For some small keyboard, if you are tired of monotones, you can also choose this classic color of white and black which is mysterious, cool and passionate.10 Backlit Effects,colorful typing and gaming experience.ergonomic designs make people relaxed and enjoy excellent mechanical feel.The mechanical switches are of the highest quality, tested for 50 million keystrokes. ?Full N-Key Rollover?No matter how many buttons press, respond or trigger at the same time,All 67 keys have individual switches with ‘full n-key rollover’ and ‘anti-ghosting’ for flawless performance,support lock"WIN"function,flash memory backlight mode. ?HIGH QUALITY AND RELIABLE PERFORMANCE?Compact ergonomic design and high quality durable ABS construction with Plate-mounted mechanical keys and switches,67keys space-saving mechanical keyboard design releases the workspace on your desk without sacrificing performance and comfort in game sessions. ?65% Layout Keyboard?The Motospeed CK67 is a compact 65% layout rgb backlight USB wired mechanical keyboard made for Mac and Windows. The CK67 is crafted to maximize your workspace and enhance productivity. Convnient to carry around and save your desk space at home or office.