Smart Cat Toys Automatic Rolling Ball Electric Cat Interactive Toys For Cats Training Self-moving Kitten Toys For Indoor Playing Description: Name: gravitational rolling ball Material: ABS / silicone Size: 43mm diameter Weight: 40g Battery capacity: 80mah Package content: gravity rolling ball * 1, type-C line * 1 Specifications: High gualityFood grade ABS material, no pressure for cats to bite. 43mm43mm "claw control" is different from the traditional rolling ball size on the market, and is more suitable for the cat's "sense of control" of primitive hunting intelligentIn intelligent mode, you can wake up by patting, simulate the escape trajectory of prey, roll and hit obstacles, and then intelligently choose the route to avoid quietGive the cat a strange night and give you a quiet sleep. 90% of the cache material package in the outer layer, rolling quiet, day and night, play if you want. bite resistance and durabilitySoft and skin friendly silicone wrap, in addition to rolling quietly, increases friction, and takes into account bite resistance and durability. Package Included: gravity rolling ball * 1, type-C line * 1