Engaging Play: This bright and intelligently designed wobble ball toy is great for dogs, quickly capturing their interest and keeping them entertained. The automatic rolling feature makes it ideal for households with multiple dogs or for alternating play, ensuring your furry friends enjoy double the engagement and fun Quality and Safe: Made from silicone materials, this smart jumping ball dog toy is safe for your pets to chew and play with. Its odorless properties combined with scratch-resistant and deformation-resistant features provide peace of mind during play Extended Interaction: Keep your pet engaged for hours with our interactive ball. After five minutes of play, it automatically goes to sleep but can be easily reactivated with a gentle shake, ensuring prolonged interaction and enjoyment Automatic Obstacle Avoidance: The automatic moving bouncing ball is equipped with automatic obstacle avoidance technology Versatile Use: Great for training exercises like chewing and grinding, this dog toy ball is suitable for cats, dogs, and various other pets. It offers wide applicability while being easy to cleanjust rinse under water after removing any inserts Specification: Battery: 150mAh Size Chart: 5.2cm x 5.2cm / 2.05 inch x 2.05 inch Package Includes: 1 x Dog Ball Toy 1 x USB Charging Cable Note: Please allow slight differences of 1-2cm / 0.39-0.79 inch due to manual measurement.