Features: Motion-Activated Wicked Ball Design: This interactive dog toy features a motion-activated wicked ball that automatically starts moving when your dog approaches, providing endless fun and engagement while effectively reducing boredom and anxiety. Intelligent Rolling And Moving Mechanism: Equipped with an intelligent rolling system, this automatic moving ball dog toy changes direction unpredictably to keep your pet entertained, helping to alleviate stress and prevent destructive behavior. Bite-Resistant And Durable Construction: Specifically designed for aggressive chewers, this moving ball dog toy is made from tough, bite-resistant materials to withstand heavy chewing and promote dental health through teeth grinding cleaning effects. Automatic Movement For Continuous Play: With its intelligent automatic moving design, this rolling ball dog toy operates on its own to encourage active play, reducing boredom and anxiety while supporting your dog's mental and physical well-being. Enrichment For Mental Stimulation: This interactive moving ball toy provides mental enrichment and boredom relief by engaging dogs in chase and play, helping to lessen stress and anxiety while assisting in cleaning teeth through grinding action. Specifications: Material: Plastic Diameter: 6cm Power Supply: Charging Battery Capacity: 250mAh Note: Due to the screen lighting effect, the actual color of the product may be slightly different. Due to manual measurement, please allow size error. Include: 1*Moving Ball Toy 1*Charging Cable