Features: 2.4GHz wireless transmission, stable and no delay, strong anti-interference ability. 84 keys compact layout. Replace the rarely used function keys by combination keys, which saves space and makes your desk clean. The keycap fits finger curve, smoother operation, comfortable to type. Ergonomic design, the mouse fits your hand, not easy to fatigue during long-time use. The keyboard and mouse share one receiver, no driver required, plug and play. Low power consumption technology, long endurance time. Specification: Brand: Mofii Color: Green/Yellow/Purple/Pink(optional) Connection method: 2.4G [Keyboard] Key number: 68 keys Battery: 2*AAA batteries(not included) Size: 31.7 * 10.8 * 3.5cm /12.48 * 4.25 * 1.38in Weight: Approx. 468g /16.51oz [Mouse] Key number: 4 keys DPI: 1000-1200-1600DPI Battery: 1*AA battery(not included) Supported system: Windows XP/Win7/Win8/Win10 Size: 10.4 * 6.8 * 3.8cm /4.09 * 2.68 * 1.5in Weight: Approx. 90g /3.17oz Packing list: 1 * Keyboard 1 * Mouse 1 * User manual