Features: QUALITY MATERIALS: Made of quality PC+silicone material, this dog toy is sturdy enough to withstand pet bites and scratches. Maintains durability in both smart and normal mode and can be used for a long time LED Lightings Effect: Equipped with a bright LED light rings, it can be clearly seen in a dim environment, adding fun to night walks or indoor games Reduce Pet Anxiety: The Jumping Ball can keep your pet busy and reduce the anxiety when you neglect them. It is the perfect solution when you are working, have an important tasks, or just relaxing and enjoying some quiet time. PROMOTES MUSTRIAL AND PHYSICAL DEVELOPMENT: This toy not only provides physical exercise but also stimulates the mental development of your pet. Your pet can choose different modes according to your preference, such as solving puzzles, chasing moving part, and allowing you to experience a full growth while playing PERFECT FOR SMALL TO MEDIUM DOGS: Specially designed and sized for small to medium sized dogs to accommodate a variety of breeds, providing an interactive experience to suit your dog's needs and style of play. Notice: 1.Actual color may be slightly different from the image due to different light effect 2.Please allow 1-3cm deviation due to manual measurement Description: Material: PC/Silicone Battery capacity: 300mAh Battery life: 30-60 minutes Diameter: 48mm