The Dell Silent Keyboard and Mouse KM555 offers a seamless typing experience with wireless capabilities and a range of compatibilities. Designed for use with PC, Mac, Android and ChromeOS devices, this keyboard and mouse set connects via Bluetooth 5.1 or a 2.4 GHz wireless USB receiver. The keyboard features 18 programmable shortcut keys that allow users to customize their workflows while increasing productivity with play/pause, volume control and more. The spill-resistant design ensures durability, while the ergonomic features, including adjustable height and numeric keypad, increase comfort during long work sessions. With the 4020 DPI optical mouse and right- and left-handed orientation, this set is versatile for every user.