Features 1、Boredom Relief: The active rolling ball stimulates your pet's mind and relieves boredom, perfect for puppies, small dogs, and medium dogs, interactive and providing endless fun for your pet. 2、Rolling Entertainment: The active rolling ball toy automatically jumps and rolls, keeping your pet active, enticing your dog to play for hours of fun and stimulation. 3、Long Lasting and Rechargeable: Easy to recharge and lightweight, this interactive automatic ball toy can be used for up to 4 hours after charging, made with sturdy materials for endless entertainment. 4、Safe and Enhanced Health: Made with reliable materials, this interactive pet toy ensures a safe chewing experience, promoting teeth health, and mental stimulation, not suitable for heavy chewers. 5、Skills Development: Beyond entertainment, this activated automatic rolling ball acts as a mental stimulator, challenging your dog's mind and enhancing their intelligence and physical abilities. Specifications: Item Type: Active Rolling Ball Material: PC, ABS, TPU Battery: Lithium Battery, Capacity 300mAh (Shipped with Built in Battery) Package List 1 x Active Rolling Ball Dog Toy 1 x Data Cable