1. Soothing and Comfort: Our heartbeat simulator helps puppies and pets relax by emitting a realistic heartbeat sound. It has a calming effect that soothes anxious dogs and creates a peaceful environment. It is a useful tool to alleviate separation anxiety and promote relaxation. 2. Energy Efficient: Simply press the button to activate the device after installing 2 alkaline batteries (not included). To conserve power when not in use, you can easily turn it off anytime. Additionally, one set of batteries can last up to 15 days of continuous use, making it convenient. 3. Durability: Crafted from quality PP material, our heartbeat simulator is exceptionally sturdy and unbreakable. This ensures safe and reliable longterm use. The material quality guarantees a realistic and soothing heartbeat simulation. 4. Calming Rhythm: This product replicates the soothing rhythm of a puppy's heartbeat, helping pets feel happy and relaxed. The lifelike heartbeat sound mimics the comfort of being near their beloved companions, reducing their stress and loneliness.