Feature:1. Boredom Relief: The active rolling ball entertains and exercises your furry friend. Encourages active play, reduces boredom, and destructive behaviors.2. Bite Resistant: Made of sturdy and safe materials and robust TPU shell, the active rolling ball dog toy can withstand rough play and chewing for medium to large dogs.3. Exercise Effect: The automatic dog ball toy provides mental stimulation and fun rolling ball for dogs, perfect for keeping your furry friend entertained and active, providing a challenging toy that keeps dogs busy and mentally engaged.4. Rechargeable Battery: Comes with a lithium battery, this interactive automatic ball toy can be used for extended playtime after charging, providing endless entertainment.5. Sturdy and Reliable: The interactive dog ball toy features waterproof design and long lasting battery for extended entertaining, suitable for playing both indoor and outdoor.Specification:Item Type: Active Rolling Ball Dog ToyMaterial: PC, ABS, TPUBattery: Lithium Battery, 800mAh Capacity (Included).Package List:1 x Active Rolling Ball Dog Toy1 x Data Cable 1 x User Manual