1. As a mentally stimulating and entertainment toy for dogs, Best Dog Toy Ball is specially designed for active or timid puppies or bored adult dogs. Upon being turned on, it will automatically roll, shake or bounce. The cool LED light will also be turned on to catch your dog's attention immediately. 2. Gorgeous Colors & Safe Material After starting the NO-7 Best Dog Toy Ball, the LED will light up to stimulate your pet. Dogs like biting, chewing, and licking their toys. We want them to be happy and healthy, so we care for your pets like babies. This ball's outer shell is made of natural rubber that is not easy to chew up. It is BPA-free, odorless and easy to clean, which is comfortable and safe for your fur baby's teeth and gums. Besides, it makes little noise on the floor. 3. Automatic Obstacle Avoidance With an built-in intelligent motion sensor, Best Dog Toy Ball is able to reverse itself and move away when hitting an obstacle or tight spots, keeping your dog excited and entertained by remaining unpredictable. No need to worry about it getting stuck in the corner. 4. Long Battery Life Fully upgraded battery capacity, one hour of charging supports 3 hours of playing. Specifications: Product Name: Smart Dog Toy Ball Suitable for: Small and Medium-sized Dogs, Cats Diameter:53mm Battery Capacity: 300mAh Battery Life: Max 3 Hours Material: ABS, TPR Weight: 37g Package Includes: 1pcs * dog jumping ball 1pcs *Charging Cable