Play unlimited songs and stories through the wireless speaker. The music box features 7 programmed melodies, heartbeat sounds, white noise, nature sounds, lounge music, and 3 traditional lullabies. Zoë's head is a night light with 2 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.