Kindly Reminder:<br> This heartbeat is suggest to be paused after 48 hours of continuous use. If the sound is too loud for the puppy, please take out the heartbeat device and wrap it up in cloth to reduce the sound.<br><br><br> Does your new puppy feel lonely and anxious when they left their mom?<br>Then our new puppy comfort plush bear will be the best present for them. <br>Our heartbeat plush dog toy simulates the heartbeat sound to accompany new baby pets who leave their mother, its special design helps to relieve anxiety in your beloved new pets.<br> <b>Easy to operate</b><br> 1.Put the heart beat simulator with 2 AAA batteries (not included) in the plush toy, turn on the switch, and it will work then. If not in use, suggest to turn off the on/off button to save energy.<br> 2.If you need a warmer toy, just take the warmer bag out and heat up the warmer bag with tourmaline pebbles in the microwave, not more than 5 mins. After that put it into the bear body.<br>