This Wireless PC Keyboard and Mouse Combo features a low-profile keyboard with quiet soft-touch keys and an ambidextrous mouse. They are perfect for the workplace or home office. Enjoy easy connectivity. Simply plug the dongle into a USB port and get to work. Keyboard and mouse use 2.4GHz wireless connectivity for seamless, interruption-free use within a 30' range and transition to low power consumption mode when not in active use. Keyboard requires one AAA while mouse requires one AA alkaline battery. Batteries are sold separately.