You’ll get a powerful, reliable connection with up to a 10-meter range, even in the most crowded wireless environments, plus 128-bit AES encryption for the keyboard. The go for months without changing batteries—up to 15 for the keyboard and up to five for the mouse. A battery indicator ensures that you won’t be caught off guard. Control videos or music and launch applications like your calculator, e-mail program, and media player. With a full-size keyboard with low-profile keys and integrated number pad helps you type and work more comfortably without feeling cramped.