Feature: 1. Reliable 2.4GHz wireless technology provides wireless connection within 10 meters, fast and stable. 64 keys compact layout, not occupy space, your desk will be cleaner. 2. Ergonomic design, fit your hand curve, comfortable to use, not easy to fatigue. 3. The mouse has three adjustable Moving speed(800/1000/1200DPI), you can adjust Moving speed cursor speed according to your needs. 4. FN multimedia keys can realize music play, pause, volume adjustment and other different operations, saving your time. 5. Plug the USB receiver into the USB port of your computer and install the batteries on keyboard and mouse, plug and play, no driver required. Specification: Features: Reliable 2.4GHz wireless technology provides wireless connection within 10 meters, fast and stable. 64 keys compact layout, not occupy space, your desk will be cleaner. Ergonomic design, fit your hand curve, comfortable to use, not easy to fatigue. The mouse has three adjustable DPI(800/1000/1200DPI), you can adjust DPI cursor speed according to your needs. FN multimedia keys can realize music play, pause, volume adjustment and other different operations, saving your time. Plug the USB receiver into the USB port of your computer and install the batteries on keyboard and mouse, plug and play, no driver required. Specification: Color: Black Connection method: 2.4G wireless Button number: 64 keys(keyboard), 4 keys(mouse, including the roller) Mouse DPI: 800/1000/1200DPI Battery: 2*AAA batteries for keyboard(not included ), 2*AAA batteries for mouse(not included ) Keyboard size: 28.3 * 10.8 * 1cm /11.14 * 4.25 * 0.39in Keyboard weight: Approx. 300g /10.58oz Mouse size: 11.5 * 5.8 * 1.8cm /4.53 * 2.28 * 0.71in Mouse weight: 43g /1.52oz Packing list: 1 * Keyboard 1 * Mouse Package List: 1 * Keyboard 1 * Mouse