- Operated by 3x AAA batteries. 6 Different sounds: Heartbeat sound, white noise, nature sounds and 3 soothing melodies. - Activate by shaking: No need to switch ON the music, just shake and he will start playing the last chosen song. - Timer with auto shut-off. - The cry sensor will switch on the sound if your baby wakes up in the night. - 4 volume settings, you can set the volume to your preferred level. - Soft toys can be hand washed, when module is removed. - This product has been tested according to the international safety regulations. - 3 x AAA alkaline batteries is required. - Dimension: 15cm x 15cm x 32cm A musical soft toy comforter, that calms and soothes your newborn baby by mimicking a mum’s heartbeat. Store in dry place Netherlands