?107 KEY FULL SIZE KEYBOARD?: The wireless keyboard is full size QWERTY with a number pad, a total of 107 keys with arrow keys and function keys.WARM TIPS: The wireless keyboard is not fully compatible with Mac OS. ?WIRELESS CONVENIENCE?: Using advanced 2.4GHz wireless technology, our wireless keyboard and mouse connect your device with a unifying USB receiver, and ensure a stable and powerful connection within up to 10m. Just plug in the USB and they will work straight away, no additional software required. ?HIGH EFFICIENCY WORK?: The USB wireless keyboard is equipped with 12 shortcut keys, so users can quickly access music, calculator, e-mail, volume, mute, play/pause, and more. 1200 DPI of the laptop mouse allows it to work on most surfaces quickly and precisely. Ideal wireless keyboard and mouse set for home, office, and school, and provides a superior typing experience. ?ERGONOMIC COMFORT?: Suitable keyboard length to fit perfectly with any setup. Keyboard with rounded keys that are quiet, responsive, and extremely comfortable to touch. The silent mouse helps avoid noisy clicks and features a contoured shape for enhanced comfort. ?COMPATIBILITY & NICE SERVICE?: RATEL Wireless Keyboard and Mouse Set is compatible with Windows 2000/ ME/ XP/ Vista/ 7/ 8/ 10, and supports laptop, desktop, PC and Chromebook. The keyboard needs 2 AAA batteries, and the mouse needs 1 AA battery (Not Included). We offer 12 Month Quality Warranty. For any question, please contact us for a solution.