Feature:1. Multi-Functional Interactive Design: This dog toy features various interactive functions, including rotating, bouncing, and moving parts, to stimulate your pet's curiosity and desire to explore. Suitable for small-sized dogs.2. Intelligent Obstacle Avoidance: The dog toy ball will quickly move away when it meets an obstacle, and attract the dog's attention with an irregular route. Equipped with colorful LED lights constantly attracts pets to have fun.3. Versatile Design: This not only provides physical exercise but also stimulates your pet's intellectual development. Solving puzzles or chasing moving parts, allows them to experience comprehensive development during playing.4. Safe Structure: Our rolling ball dog toy is made from high-quality, non-toxic, and odorless ABS, wear-resistant and bite-resistant, ensuring your pet's safety. The removable shell is easy to wash. A must-have dog moving ball toy.5. Rechargeable & Long-Lasting: The interactive dog ball is equipped with an 800mAh rechargeable battery that provides 1.5 hours of continuous fun after a 40-minute charge. Besides, it makes little noise on the floor.Specification:Color: Blue, Orange (Optional)Battery: 800mAhMotor Speeds: 15000 rpmCharging time: 40 minutesItem Size: 80mm/3.15in (diameter)Item Weight: 250g/8.82ozPackage Size: 8.9 * 8.9 * 8.9cm/3.5 * 3.5 * 3.5inPackage Weight: 265g/9.35ozPackage List:1*Dog Ball1*Charging Cable1*User Manual