Rii Gaming Keyboard, RK100 Light Up Keyboard Mechanical Feeling Keyboard with 3 Single LED Backlit Color (Red/Purple/Blue)-UK Layout\n\n-- \u3010Mechanical feeling\u3011This gaming keyboard is not mechanical keyboard ,but the keys' soft clicking and feedback is just like mechanical feeling. Ergonomic design brings comfortable typing feel and avoid fatigue from long typing. It is not so noisy, it is good for gaming or working. Standard 105 Keys full size gaming keyboard easy to adapt to.\n-- \u3010Gorgeous Backlight\u3011This backlit keyboard builds in with 3 Backlit color Red Purple Blue, adds more fun for gaming. Press \u201C * \u2018 light button to switch the color you like or turn off the backlit. Press \u201CFn+ * \u201C to switch keeping lighting and breath lighting. Press \u201CFn+ PageUp/PageDown\u201D to Adjust brightness. Turn off the backlit in night, won\u2019t disturb you sleeping.\n-- \u3010Energy Saving\u3011This pc wired keyboard automatically enters into sleeping mod.