Product SpecificationsCat toy sounding ball, with a diameter of 50mm (1.97in), using high-quality and durable EVA/WOOLEach Toys built-in LR44 Lithium battery cell and high-sensitivity sounder, which can produce different simulated soundsSimulate Real SoundsSimulate the real sounds of three different animals to attract cats? attention and stimulate cat?s hunting nature. The sounds of balls of different colors are different.blue-frog soundyellow-cricket soundpink-bird sound.Smart Tap TriggerThe cat toy ball has a built-in high-sensitivity sounder. As long as the cat's paw slightly touches the ball, it will make a sound. Cat ball toys with funny animal sounds can reduce boredom and increase your cat?s activity, thus bringing more fun to your cat.Catnip Can Be AddedAfter opening the lid, you can add catnip to the ball. It can make your cat feel excited and happy, and become the cat's favorite toy. It can encourage the cat to exercise, stimulate the cat's thinking or accompany the cat, allowing your cat to exercise and stay healthy.NoteIn order to prevent the kitten from damaging the battery, the battery is built into the toy and cannot be replaced.