Let the thrill of rich, clear stereo sound accompany you virtually anywhere within your house! Wireless headphones let you listen to your TV show or music without disturbing others; perfect for bedtime. Other functions include wireless net chat, monitoring activity in another room, or simply enjoying your favorite station on the built-in FM radio. Add an audio cable (not included) to enjoy studio-quality wired headphone sound. A must-have for any multimedia enthusiast! Plastic. Includes two AAA batteries. 8 1/2 inch x 4 inch x 10 1/2 inch high.