2021 NEWEST RECHARGEABLE VERSION No need to replace batteries over and over again, just simply plug in the cable for 1.5 hours, provides your kitty up to 4 hours of fun time 360 DEGREE SELF ROTATIONThe 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 while producing a red light simultaneously AUTOMATIC DIRECTION CHANGE 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 CAUTION The ball rolls best on hard floor,might not roll well on thick carpet, please purchase with attention AUTOMATIC SHUT OFFThe ball will automatically turns off after 40 minutes of rolling,perfect for those who dont have time to watch your kitty while they are playing 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 - User Manual x 1 Upgraded Version with USB charging -USB charging ,charge time is 1.5 hours, and provides 4 hours of play time -Timer function, automatically shut off every 15 minutes, prevent your kitty from overly addicted to the toy ball -Brighter red light, the ball shot red light while it is moving, quickly draw your kittys attention and enjoy the fun -Smaller in size when compare to previous version, more suitable for kitty 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