The Logitech Wireless Bluetooth K850 Keyboard with MX Anywhere 2S Bluetooth Mouse set is a versatile and high-quality product for anyone looking for a reliable wireless keyboard and mouse combo. The sleek black design and ergonomic features make it comfortable to use for extended periods of time. The keyboard has a maximum DPI of 1000 and laser tracking method for precise and smooth scrolling. With Bluetooth connectivity, this set offers convenience and flexibility in how you use your computer. The included receiver and on/off switch add functionality to this all-in-one package.