Play unlimited songs and stories through the wireless speaker. The music box features seven programmed melodies, heartbeat sounds, white noise, nature sounds, lounge music, and three traditional lullabies. Zoë's head is a night light with two brightness settings. The voice-activated sound sensor turns on the light and/or sound as soon as your child wakes up. The sound and light automatically turn off after 20 minutes. Choose your favorite melody from carefully curated playlists by ZaZu.