Can attract the cat's attention. Let your cat chase an indoor ball, play and exercise Material:ABS Dimensions: 43mm in diameter Battery capacity 80mAh Contents: A cat ball, a data line [Intelligent obstacle avoidance] The cat toy ball can simulate rolling prey to escape. It has a built-in intelligent motion sensor and automatic obstacle avoidance system. It can intelligently choose an avoidance route after encountering obstacles. Cat ball Coated with silicone, the cat ball is quiet and resistant to scratching and chewing while your cat is playing.