2-in-1 USB Receiver: Our keyboard and mouse combo share only one USB receiver(Snap in the storage of keyboard near battery slot), simply plug-and-play without any drivers, strong wireless connection up to 10 meters(33 ft) | Retro Round Keys: Cute color rounded keycaps with scissor-switch design, silent to press and rebound quickly, bring you visual enjoyment and provide comfortable touch of the fingers, enhance the total smooth typing experience | 12 Function Hotkeys & Number Pad: Full-size blue wireless keyboard layout multi-media keys and built-in number pad, which can easily meet your daily needs at home and office. | High Precision 3-DPI Mouse: Adjustable DPI levels between 800-1200-1600 allow changing mouse sensitivity easily to meet your different needs, provide precise movement and smooth tracking | Auto-sleep & Compatibility: The keyboard and mouse features energy-saving auto sleep mode after inactive for 10 minutes, just press any key to wake up. Compatible with Windows XP/Vista/7/8/10 or higher. Work with your desktops, PC, Laptop, Computer and more | Note: keyboard requires 2 AAA battery, mouse requires 1 AA. battery, batteries not included.