Can attract the cat's attention. Let the cat chase the inner ball, play and exercise Material: ABS Size: 43mm in diameter Battery capacity 80mAh Content: a cat ball, a data cable [Intelligent obstacle avoidance] The cat toy ball can simulate and roll the prey to escape. It has a built-in intelligent motion sensor and automatic obstacle avoidance system. After encountering obstacles, it can intelligently choose the avoidance route The cat ball is covered with silicone, the cat ball is silent and resistant to scratching and chewing while your cat is playing.