Newest Smart Cat Toy- You don't need replace the batteries for this smart cat toy, just charging with USB cable for 1.5 hours, which can provide 4 hours of entertainment and exercise for your kitten. 360 Degree Self Rotation- 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, this cat toy will continuously move around your house light up the red LED light to attract the cat's attention and let the cat chase the ball around indoor to have fun and exercise. Automatic Direction Change- Owe to the sphere shape and self balancing system, the ball will automatically change its direction when colliding with a wall, chair, door. 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. Automatic Shut Off- The 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. CAUTION- The interactive cat toys ball rolls best on hard floor, but might not roll well on thick carpet, please purchase with attention. Please do not play in the stairwell to avoid damage. Material: ABSColor: White\/RedDimensions: 6.4 x 6.4 x 6.4 cmProduct weight: 99 gPowerd : USB ChargingIt rolls well on tile and timber floor,but may roll slowly on thick carpet. This ball is not water resistant,please dont let it into the water to avoid electric shock danger. Please clean it through the wet cloth. Please keep full charged before using or storing it. 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. Attractthem chasing 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. Cat toy ball *1User manual *1USB Cable*1 Upgraded Version with USB Charging USB charging ,charge time is 1.5 hours, and provides 4 hours of play time.Smaller in size when compare to previous version, more suitable for kitty.Brighter red light, the ball shot red light while it is moving, quickly draw your kitty's attention and enjoy the fun. 1.Keep Your Cat Busy \u0026 Healthy2.Improve Their Immunity3.Relief Anxiety\u0026Boredom