This combo set includes a wireless Usb mouse and a computer keyboard that are designed to work flawlessly with Windows operating systems, making them compatible with a wide range of devices including laptops, desktops, and PCs. The keyboard features a scissors structure button which significantly reduces noise, up to 90%, ensuring a silent and comfortable typing experience that won't disturb others around you. The combo set operates on a 2.4G wireless connection that can reach up to 10 meters or 33 feet, allowing for a clutter-free workspace and the freedom to move around without being tethered to your device. The keyboard and mouse are designed to automatically enter a sleep mode after 3 minutes of inactivity to conserve battery life, and can be easily awakened with a simple key press or button click. The keyboard requires two Aaa batteries and the mouse requires one Aa battery, though they are not included in the package.