Upgrade your desk setup and increase productivity with the MX Master 4 Wireless Mouse with MX Keys S Wireless Keyboard and MX Keypad Kit from B&H. The special edition mouse features an 8000 dpi Darkfield optical sensor and up to 70 days of battery life. This kit also includes a Bluetooth-enabled keyboard with ergonomic, spherically-dished keys, as well as a developer-minded keypad that is equipped with nine LCD buttons that can be programmed to trigger scripts, macros, and IDE commands.