[Two Interactive Modes] This mentally stimulating and entertaining dog toy is designed for active, timid, or bored adult dogs. Once turned on, it automatically rolls, shakes, or bounces. It features two interaction modes—Normal and Smart—allowing you to select the best mode for your dog's play style. The built-in LED light activates to capture your dog's attention instantly. [Perfect for Small Breeds] This toy ball has a diameter of 2.05 inches (52mm), making it ideal for dogs weighing up to 35 lbs. It is not suitable for aggressive chewers. Supervision is recommended to guide your dog in proper interaction with the toy, encouraging play rather than chewing, which can help strengthen the bond between pet and owner. [Gorgeous Colors & Safe Material] The LED lights illuminate when the toy is activated, enhancing visual stimulation for your pet. Dogs often bite, chew, and lick their toys, so safety is essential. The outer shell is made from durable, natural plastic that is difficult to break apart. The material is BPA-free, non-toxic, odorless, and easy to clean, ensuring safety and comfort for your dog's teeth and gums. Additionally, the toy operates quietly on indoor surfaces. [Automatic Obstacle Avoidance] Equipped with a built-in intelligent motion sensor, this toy automatically detects obstacles and reverses direction to avoid getting stuck, maintaining unpredictable movement that keeps your dog engaged and entertained. Material: Color: Blue Package Contents: 1 x Bouncing Ball Note: Light reflection and differences in display screens may cause slight variations in the color shown. Measurement may vary by up to 1-3 cm.