Wireless Connection: A 2.4 GHz USB receiver can connect both the mouse and keyboard to your computer simultaneously, without the need for drivers or software, just plug and play. The 2.4 GHz wireless connection can reach a distance of up to 30 meters, or 98 feet, without delay or disconnection, and can keep your desktop tidy without messy cables. Easier to Type: The full-size keyboard with a numeric keypad makes typing easier and more comfortable, helping you improve work efficiency. Multimedia hotkeys for easy access to multimedia, such as music, volume, email, etc. Comfortable to Use: Uses noise-reducing keys, and the mechanism under each key improves stability, recovers quickly, and has no delay. The retro round concave key matches the shape of your fingertips, making it very comfortable to press, just like typing on an old-fashioned typewriter, and your hands will not feel tired during long-term office work. Automatic Energy Saving Function: When you stop using the keyboard for more than 5 minutes, the keyboard enters sleep mode. It may even make you forget about the battery, as it has a lifespan of up to 36 months. Press any key to activate the device. Wide Application: The wireless keyboard and mouse combo is suitable for computers, desktops, laptops, and more. It is the best choice for office and business. Item Type: Wireless Keyboard and Mouse Combo Material: ABS Keys: 104 keys System Requirements: For Windows XP, for win7, for win8, for win10. Keyboard Battery: 1 x AA battery, not included. Mouse Battery: 1 x AA battery, not included. Package Includes: 1 x Keyboard 1 x Mouse 1 x Receiver 1 x User Manual