Puppyknow Puppy Behavioral Aid Automatic Timing Heartbeat ToyIt designed to your four-legged friend comfort and reduce anxiety. Includes a timed heartbeat can calm your puppy and keep away barking and whining. Stay away from crying, loneliness, anxiety without medication. Automatic 6-hour timed heartbeatInvisible Velcro pocket, easy in and easy out; 2AAA batteries (No batteries Included), up to 3 weeks of use, 6 hours each time.
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