With its adorable design and realistic heartbeat simulation, our simulation heartbeat box is a great any child. It can help promote healthy sleep habits and provide a sense of comfort and security that your child will cherish for years to come. Features -Color:Red -Material:Plastic, electronic components - Size: 5.00X5.00X2.50cm/1.97X1.97X0.98in -Power supply: 3pcs LR44 (not include) -Our heartbeat box can help you to calm down your pets with the regular simulation heartbeat sound -With its realistic heartbeat simulation, it creates a soothing and calming effect that can help ease anxiety and promote relaxation -The gentle vibrations and lifelike heartbeat sound can help coax your child to sleep and provide a sense of safety and reassurance -Our heartbeat simulator is made with quality materials that are safe and for children to play with -The vibrating mechanism is easy to operate and can be turned on and off with a . The battery-powered design ensures that the toy can be used anywhere Package list: 1 x heartbeat box