Electric Ball For Fun Animal Exercise Green Chaser : : Material: Smart cat ball is made of high-quality ABS plastic, which is bite-resistant and also keeps the cat safe.When it gets dirty, just wipe it with a damp paper towel Bionic design: simulates the escape trajectory of the victim, 43mm diameter fits the cat's claws, which stimulates the cat's hunting instinct Bring more fun and help you do more exercise at home 2 ways to play: smart for 5, unlimited play, one-button switching 80mAh lithium, USB / Type-C charging design is more convenient Application: Intended for people, kittens and puppies, not suitable for adult dogs Specification: Item Size: 43mm / 1.69 inch Material: ABS silicone; Battery Capacity: 80mAh; contains: 1 toy ball for s 1 USB charging cable