Productivity at your fingertips Boost your productivity throughout the day with a wireless keyboard and mouse with 2,4 GHz radio mode. You can get instant access to frequently used apps, folders, or features with 12 programmable keys and 1 programmable scroll wheel. The full-size wireless keyboard includes a special numeric keypad, function keys, and preset settings to help you work more efficiently. Easy management Easily use monitors of different resolutions at home or in the office. Dell Peripheral Manager (DPM) software enables you to operate input devices and apply the saved preferred DPI value of 1000, 1600, 2400 or 4000. With DPM software, you can program shortcuts, pair devices, adjust DPI, check battery and connectivity status, and update software to the latest version. Convenient work Work on one of the quietest wireless keyboards during conference calls or with others. The wireless mouse is symmetrical, so it can be used by both left- and right-handed users. With its tilting legs, you can adjust the tilt of the keyboard at 2 angles to position it in the perfect position for comfortable typing. Durability and safety Dell Pro Kit: The wireless keyboard and mouse features a battery life of up to 36 months, which is one of the best results in the industry and makes them extremely durable devices. You can rest assured that this keyboard and mouse set has been rigorously tested to ensure a seamless connection to your Dell personal computer. The keyboard ensures secure data transmission between computers and devices thanks to 128-bit AES (Advanced Encryption Standard) encryption technology, which ensures a secure connection while typing. Reduce the risk of downtime with a 3-year Advanced Exchange Service. If equipment needs to be replaced, the replacement part will be shipped the next business day as part of a 3-year Advanced Replacement Service. Model: KM5221W Type: Standard Set with mouse: Yes Connection: Wireless Interface: USB Power Supply: AA batteries/batteries, AAA batteries/batteries Color: Black Supported operating systems: Android Chrome OS Linux Mac OS Windows 8.1 Windows 10 Dimensions: Keyboard: 43.3 cm x 12.3 cm x 3.4 cm / 400 g, Mouse: 11.532 cm x 3.88 cm / 91.8 g