360 Degree Self Rotating : This kitten toy very easy to use, press the button and the ball will automatically start a 360 degrees self scroll and the red LED light to attract the 's attention and let the chase the ball around indoor to have fun and exercise. The ball automatically changes direction when hitting an obstacle.Keep Healthy & Stop Obesity:This rolling ball keep your cats interested to chase and exercise, chaser helps the indoor cats and to exercise, improve their immunity, reduce obesity. This toy ball is a Christmas gift for your cats & dog. Ball Toys Built-in USB Charging:Newest Version smart interactive ball, built-in 250 MAH lithium battery, you can charge the electronic toys via the USB interface in the outer casing. 2 hours will be fully can give your dog 3-4 hours . When it charging, the red light twinkling.A Best Automatic Smart Pets Playmate:The ball will automatically turns off after 45 minutes of rolling, when , this ball can keep company for your pets and reduce petsoccurrence of depression. It will be a very for your pets. NOTE: it on hard floor, tile floor and thin carpet but not thick carpet.Pet Ball Made of Safe Durable Materials:This automatic toy ball is made of odorless ABS plastic. The Built in LED red light is very soft and will not harm the eyes of . The USB charging port is built into the case to prevent it from wet or bitten by the . It is sturdy,harmless and odorless.Colour:pink+whiteMaterial:ABS Size:Diameter: about 6.4cmPackage Contents:1 x ball1 x Charging cable1 x English manual