MK235. A simple, durable, and standard-sized keyboard and mouse with an extended battery life: 36 months for the keyboard and 12 months for the mouse. Battery life and wireless range may vary depending on the environment and usage. This duo offers all the essential features in a comfortable and durable design, easy to use, while keeping your workspace clean and pleasant. Designed to Logitech's recognized quality standards, the MK235 wireless set is built to last. It includes a standard-sized keyboard and an ambidextrous mouse, both fully wireless. The standard-sized keyboard is equipped with all the necessary keys, including a numeric keypad and 15 easily accessible shortcut keys, making navigation and data entry easier. This duo offers all the essential features in a comfortable and durable design, easy to use, while keeping your workspace clean and pleasant. Designed to Logitech's recognized quality standards, the MK235 wireless set is built to last. It includes a standard-sized keyboard and an ambidextrous mouse, both fully wireless. The standard-sized keyboard is equipped with all the necessary keys, including a numeric keypad and 15 easily accessible shortcut keys, making navigation and data entry easier.