about this project 3-in-1 Rechargeable Keyboard and Mouse SetThis gaming combo includes a compact 87-key keyboard, a cool crackle pattern mouse and an exquisite mouse pad, equipped with a large-capacity built-in battery (keyboard: 3000mAh, mouse: 800mAh ), ensure long-lasting battery working time, and can be used for a long time. Plug the USB data cable into the USB port of the computer to charge easily, avoiding the trouble of frequent battery replacement, and more convenient. 2.4Ghz Wireless ConnectionThis gaming keyboard and mouse combo adopts advanced 2.4Ghz wireless transmission technology, share a USB receiver, plug and play, just plug the USB receiver placed in the bottom slot of the mouse Easily connect to the USB port of the device you want to connect without installing any software. Note: Before connecting, make sure the keyboard and mouse are turned on. Gorgeous Rainbow BacklightThe wireless gaming keyboard can provide cool color mixing backlight effect, 3 levels of brightness, more glowing in the dark, provide a unique visual feast when in use, enhance the competitive atmosphere when gaming, you can also easily turn on the backlight by pressing FN+Scroll key to turn off or turn on to meet your actual needs, if not used within 2 minutes, the backlight will automatically turn off to save energy. Gaming MouseThis wireless mouse is designed with cool crackle and 7 colors automatically changing breathing backlight, 6 buttons, 3 levels adjustable DPI (800-1600-2400), creating a peculiar visual experience and making using more Flexible and accurate, it adopts high-quality ABS material and ergonomic shell to ensure comfortable and non-tiring use for a long time. It also has a light switch for turning on/off the backlight, which is very practical. Wide CompatibilityErgonomic 87-key layout, space-saving design, luminous characters, detachable keycaps, FN combination keys, anti-ghosting function, built-in rechargeable large-capacity battery, colorful rainbow backlight, plug and play With this, this wireless keyboard and mouse combo can maximize the extra space on your desktop, perfect for gaming or daily use, compatible with mac computers that support Windows XP, WIN 7/8/10, MAC OS 2.0.