Description: -USB Rechargeable automatic pet play ball cats interative ball with 2 modes bird sounds & LED flashy light, rotatable ball -The primary purpose of the self rotating ball is to have your pet chase the ball around and have fun. With just a single press of a button, the ball will start to do a 360 degrees self rotation and attract your pet's attention. The ball will continuously move around your house -Due to the sphere shape and self balancing system, the ball will automatically change its direction when colliding with a wall, chair, door, etc. no extra help required, all you need to do is turn the ball on to play and turn off when your pet is out of energy and done playing -The ball rolls best on hard floor,might not roll well on thick carpet, please purchase with attention -The ball will automatically turns off after 60 minutes of rolling, perfect for those who don’t have time to watch your kitty while they are playing! Specification: Material: ABS, PP Size: 9x9x23cm/3.5x3.5x9.05 inch Package Includes: 1 Piece Automatic Pet Ball Toy