EXCELLENT MATERIAL: The shell of the interactive rolling dog ball 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 dogs and cats. Note: This toy is suitable for small and medium dogs and cats QUICK CHARGING: Interactive dog ball has built in the newest battery technology that allows it to fully charge in only 30 minutes. One battery cycle lasts for up to 4 hours of pure fun; our rechargeable design keeps the fun going and saves you money in the long run. SMART DOG CAT TOY BALL: Electric Rolling Ball Dog Toy Built-in intelligent motion sensor and automatic obstacle avoidance system, when the dog ball encounters obstacles or narrow spots, the dog ball launcher automatically reverses itself and moves away. So, no need to worry about the interactive dog ball getting stuck in the corner.
