Bright Beats Junior BeatBo has bright lights and fun music to stimulate visual and auditory senses. He has been switch adapted to accept a standard 3.5mm switch (sold separately). Press and release your switch (or push BeatBo's head) to start the music and lights. Press it again to hear the next song. This toy does have a slight delay after switch activation. Uses 2 AAA batteries (included). Measuring just 6.5" tall x 4" wide, this toy is a great portable take along! Recommended age 9 months +.