This Heartbeat Simulator is a wonderful present for your child. With its ability to simulate a real heartbeat, your child will feel warm and comforted. The gentle and safe material is comfortable, ensuring that it won't harm your child's skin. The vibrating heartbeat box make regular sound to help you coax kids into asleep. Features -Color:Red -Material:Plastic -Size:5.00X4.00X2.00cm/1.97X1.57X0.79in -Battery: 3pcs LR44 button batteries (Included) -Calm Your Pets: Our heartbeat box can help you to calm down your pets with the regular simulation heartbeat sound -Soothing and Calming: With its realistic heartbeat simulation, it creates a soothing and calming effect that can help ease anxiety and promote relaxation -Helps Children Sleep: The gentle vibrations and lifelike heartbeat sound can help coax your child to sleep and provide a sense of safety and reassurance -Safe and Durable: Our heartbeat simulator is made with plastic materials that are safe and durable for children to play with -Easy to Operate: The vibrating mechanism is easy to operate and can be turned on and off with a switch. The battery-powered design ensures that the toy can be used anywhere Package list: 1 x Heartbeat Simulator