Flow Amsterdam Rechargeable Heartbeat Comforter - Lou BeigeThis Heartbeat Comforter is designed to help baby fall asleep peacefully, with a choice of white noise, heartbeat sound to two different lullabies. A timer function allows you to set your preferred time for the music box to stop playing, however it will also automatically start playing again at the sound of baby's crying. Materials: Toy 100% Polyester Music box ABS Size: 15cm x 16cm x 29cm Timer: 15, 30 or 60 minute timer Power: Rechargeable by USB C