Dex Sound machine with heartbeat sound & white noises ZAZU

soothing sounds will help your baby to settle more easily.

For babies' sleep with a sound sensor restart system with crying.

From the Dutch ZAZU, the No 1 Brand in the Lullaby category, with millions of sales worldwide, stands out the gentle Dex Puppy.

It is recognized as a Best Seller and has been created based on studies by experts in the field of babies' and toddlers' sleep.

The plush puppy Dex is the sweetest and most beautiful toy that effectively lulls even the most restless babies around the world in just a few minutes.

It features a modern, detachable sleep device in its belly.

Dex's famous sleep device reproduces the mother's heartbeat, as heard in an ultrasound. Additionally, it offers white noises, familiar to the baby from the womb, and melodies that easily lull even the most restless babies. This is recommended by most child psychologists worldwide.

With a sound sensor, Dex repeats the selected program for 10 minutes when the baby wakes up, makes noise, or cries.

By isolating external noises, the heartbeat and white noises create a safe maternal auditory environment for babies.

Dex is a great help for lulling and an ally for moms who love their babies even more when they sleep peacefully.

Includes Sounds:

  • Heartbeats
  • Running waters in the Forest with Bird Sounds
  • Waterfall
  • Lounge melodies
  • Lullaby melodies


  • Age: 0+
  • Power: AAA X 3 (Not Included)
  • SKU: ZA-DEX-01

The sound sensor ensures to activate the sounds or melodies each time the baby wakes up, makes noise, or cries, ensuring that even if you are not near the baby's crib, it will calm down and fall asleep again.

The easy-to-use built-in sound playback device can be detached from the plush body, allowing for washing when necessary. You can use it both in the crib and in the stroller when you go for a walk and don't want to take the entire plush toy with you.

If you haven't activated the sound sensor, you have the option to put it only in "Move" mode. This way, the Zazu starts playing the last program you selected by simply shaking the doll.

You can adjust the sound volume to the desired level by simply pressing the indicators (+) and (-).

ZAZU devices automatically shut off after 10 minutes and operate with 3 AAA batteries (not included).

For washing instructions, remove the device from the plush toy. Wash up to 40 degrees on delicate cycle, avoiding bleach and dry cleaning, as indicated by the labels. It is recommended to place the plush toy in a laundry bag or pillowcase in the washing machine.