Specification: Species: Cat, Dog, Small Animal Product weight: 40 g Material: ABS Silicone Color: Blue Dimensions: 4.3 x 4.3 x 4.3 cm Requires Batteries: NO, Rechargeable Battery Capacity: 80 mAh Package include: 1 x Self Rotating Cat Toy Ball 1 x USB CableDEFINITELY WORTH THE MONEY INTERACTIVE CAT TOY - The interactive cat toys for indoor cats rolls around quite happily at a decent speed and copes with most surfaces easily. Rechargeable ( no battery costs!) , no batteries to replace. The automatic cat toy ball is very sturdy, after banging against furniture all still in tact, thrown down the stairs and just carrys on rolling. And it has survived being tossed around whilst being hunted, indestructible cat ball toy!. A GREAT AUTOMATIC CAT TOY FOR BUSY YOU - If your adult cats are full of energy, or when you work from home, need keep your cat away from your work station. Or if your kitten drive you crazy with his hardcore parkour, place order now, turn this cat toy on.This interactive cat toys for indoor cats solved the problem quite quickly, cats would love the cat toy ball and chases it throughout the house, it keeps kitten so occupied and tire out a kitten before bed, and lets cats burn energy. MORE SUITABLE SIZE FOR CAT PAW - Our cat ball toy is smaller than other traditional automatic cat ball toy. 4.3cm allows cat paws to move easily, enhancing cat's hunting desire, and the smaller size reduces the situation of getting stuck under the sofa or in the corner. The LED light has also been further improved. Unlike the old, which emits dazzling red light, our cat ball uses soft blue light and green light. The two kinds of soft light will switch slowly and will not harm the cat's eyes. QUIETER AUTOMATIC CAT BALL TOYS - The newest upgraded version is different from the traditional automatic cat ball toy. The surface of the toy is wrapped by soft silicone, and it will not produce the noise like the old cat ball when rolling on the floor and tile. The motor is also further upgraded, and the sound when rotating is also smaller, unlike the old cat ball, which has a strong creaking sound. You can turn it on at bedtime or work, without affecting you. RECOMMEND FOR ANY BORED CATS - This interactive cat toys for indoor cats adult moves around randomly, under tables, in and out of small spaces. The automatic cat ball toy is self rotating so it doesn't get stuck in corners or under furniture. Spinning with a gentle flashing blue green light, more attract the interest of cats when in the dark. Absolutely keep your cats from being bored.