Wireless media keyboard provides PC control from up to 100 feet away. Patented reliable auto-pairing technology enables secured and accurate RF connection. Designed to enable wireless control of streaming media, including audio, video, and Internet services. Keyboard features 12 media hot keys, an integrated trackball, and mouse buttons. Ideal for lecture halls, classrooms, conference rooms, or home theater settings that require reliable, long range wireless data transmission. Built-in LED power-low indicator signals when you need to recharge.