Product Description:Color: Gray, Green, RedBall Size:5cmMaterial: PC + SiliconeCharging time: About 30 minutesPackage includes:1 Pcs * Interactive Dog Smart Ball ToyNotice:1.Due to manual measurement, lighting shooting reasons and the real thing will be slightly different, please understand2. Due to the lighting effects and shooting angles, the color of the item and that shown in the picture might have a nuanceInteractive Dog Smart Ball Toy: Smart Ball Toy is the ultimate entertainment for furry friends. Just press a button and this ball will start spinning, moving and shaking, attracting your dog to chase and catch itSmart Obstacle Avoidance: Smart Ball Toy Built-in intelligent motion sensor and automatic obstacle avoidance system, when the ball encounters obstacles or narrow spots, it will reverse itself and move away. So no need to worry about the toy ball getting stuck in the cornerThree modes: Interactive Cat Smart Ball Toy built-in fast mode, slow mode , interactive mode Three modesQuick Charging: It has built in the newest battery technology that allows it to fully charge in only 30 minutes. One battery cycle lasts for up to 6 hours of pure funExcellent Material: The shell of the interactive cat toy is made of environmentally friendly and high-impact ABS material, which is soft, skin-friendly. The rolling friction is strong and quiet, and will not be broken by walls or cats