Designed for comfort and efficiency, the Dell Silent Keyboard and Mouse KM555 is suitable for a variety of users, including PC, Mac, Android and ChromeOS. This wireless set includes a QWERTY keyboard with 18 programmable shortcut keys that allow quick access to functions such as volume control, play/pause and mute. The keyboard features plunger technology and adjustable height for a customized typing experience, while the mouse offers precise motion detection with a resolution of 4020 DPI that is suitable for both right- and left-handed users.With a range of up to 10 m, the KM555 offers freedom of movement, whether in the home office or in a conference room. The wireless USB receiver or Bluetooth 5.1 connection simplify setup. The ergonomic and splash-proof design contributes to the durability of this product, and the use of 64% recycled plastic reflects the commitment to sustainability.