Features: 1. The cat toy ball is made of high-quality and durable plush material, soft and safe for cats. 2. Built-in Lr41 button battery and a high-sensitivity alarm, which can produce a variety of analog sounds. 3. The cat kicker toy has a built-in high-sensitivity alarm. As long as the cat's paw touches the ball lightly, it will make a sound. It can simulate animal voice of frogs, crickets and birds. 4. Enhance the cat's athletic ability and strengthen the cat's physical fitness. 5. Reduce the boredom and anxiety of the cat, and make the cat more excited and active. 6. With this cat toy, you no longer have to worry about your cat being unaccompanied, it will become your cat's best friend. Specifications: Product Name: Interactive Chirping Balls Product Material: Plush Product Size: 5 x 5 x 5 cm/2 x 2 x 2 inch Sounds (Optional): the sound of birds, frogs, and crickets Power Supply: Lr41 button battery Package included: 1 x Chirping Ball