Material:ABS The ball diameter:1.89" 3 minutes automatic standby, cute claws touch games continue drilling into the bottom of the bed can also come out and automatically avoid obstacles. loop charging, USB charging happy fitness, not stop, colorful LED colorful light tailor-made fitness plan, smart escape route, with the master to come at home, a marathon off-road Package Include:1 x Pets toy DURABLE & SAFE CAT TOY: This interactive cat toy ball will last forever, no matter how excited your cat gets, chasing it. Your kitten will feel like a puma when she is playing with her wicked ball and we made it of high quality, odorless ABS material so as to endure those tough "catch me if you can" sessions. PREVENTS BOREDOM & OVER-WEIGHT: Indoor cats are the most playful and emotional creatures besides being the most adorable ones. But they need daily play and exercise time. Our active rolling ball is the best teaser they need. This auto rolling ball cat toy will prevent boredom keeping your sweety active and running. ENERGY SAVER & TOO SMART to be CAUGHT: This interactive cat toy starts running and rolling with a touch of the little paw of your kitten and stops after about 45 seconds until a second touch, thanks to automatic standby function. This way your furry friend never gets bored and this wicked ball will be his best friend forever. After you of course.. USB Charging Charge for 1 hour and fully roll for 7-8 hours.(PLEASE NOTE: The provided charging cord only works with 5V charger, anything bigger than that will BURN THE TOY!) DIY Passion The Reserved Head Hole Can Be Freely Matched with Your Favorite Teaser, Feather, Mice, Wand Toys.