Product Description PROVIDE YOUR INDOOR KITTY WITH FUN AND EXCITEMENT BY SIMPLY TURNING THE BALL ON Upgraded version with USB charging, charge 1.5 hours, enjoy 4 hours of fun High quality, non-toxic ABS plastic, wont break even hit the wall for hundreds of times Small in size, good for kitty to play Package Included:Smart interactive cat toy ball x 1;USB charging cable x 1 The smart interactive cat toy ball moves around by itself, the movement is random and unpredictable, helps to rise the hunting instinct inside your indoor cats, let them chase the ball around, having fun and exercise at the same time. Sphere shape and self balancing system enable the ball moves freely in a very unpredictable way, it is not only for kitty, but also fun for the whole family to just watch cat chasing the ball in the house. Upgraded Version with USB charging Exercising when having fun Get some exercise for indoor cats when they try to catch the moving ball Go Wild Cats are hunters, indoor cats tend to lose their hunting instinct when they spend all time sitting and laying, this automatically moving ball makes them become predator again Keeps you kitty busy When you are busying doing your housework, but your kitty wants your huge all the time, turn the ball on, keeps your kitty occupied, and set yourself free for at least 15 minutes Both fun for kitty and your family Not only provides fun for your kitty, but also fun for your family member, laughing when they watch kitty chasing the ball around the house