Features: 2.4G wireless technology, 10m wireless transmission distance, stable signal transmission, strong anti-interference ability. 110 keys keyboard layout, includes regular keys, arrow keys and numeric keypad, compact and reasonable key arrangement, improving efficiency. Fn+F1~F12 combination keys support volume adjust, song switch, play/pause and other operations, convenient to use. Retro round punk keycaps, comfortable typing experience. The mouse is equipped with 12000DPI precision sensor, easy to deal with daily work and study needs. Ergonomic design,the mouse fits your palm curve, more comfortable, not easy to fatigue. Specification: Brand: Mofii Model: 666 Color: Pink/Green/Blue/Purple/Black/Light Brown(Optional) Keyboard button number: 110 Battery: Keyboard: 1*AAA battery(not included), Mouse: 1*AA battery(not included) Compatible system: Windows XP/Win7/8/10 Item Size: 44.3 * 13.8 * 2.9cm/13.6 * 5.3 * 1.4in(keyboard), 10.3 * 6.9 * 3.5cm/3.8 * 3 * 1.6in(mouse) Item Weight: 460g/19oz(keyboard), 75g/3oz(mouse) Package List: 1 * Keyboard 1 * Mouse 1 * User manual