Full-Size Keyboard: The full-size keyboard with numeric keypad, arrow keys and nine F keys is comfortable, practical, and robust. Wireless Mouse and Keyboard: Fast and reliable connection up to 10 meters away with little lag or interference thanks to 2.4 GHz wireless technology. 2.4 GHz Wireless Connectivity: Wireless connection almost completely eliminates interruptions and interference and offers a range of up to 10 m providing the reliability of a cable. Extended Battery Life: They work for months without changing the batteries; 24 months for keyboard batteries and 12 months for mouse batteries.