RECHARGEABLE BATTERY TOY - Built in battery, USB charged batteries for up to 4 hours of playtime for your cat. POWER SAVING SYSTEM - In order to save power, the toy will stop working automatically every 15 minutes. Perfect for those who dont have time to watch your kitty while they are playing ATTRACTIVE LIGHT - The light on the ball will attract the cats chasing swating and running. This interactive ball attract your pet's attention by 360 degrees self rotation and producing a red light simultaneously. EXERCISE MORE - Your cats will not be bored anymore if they play fun with it, entertain your cat and relieve stress when you leave him or her home alone. ECO-FRIENDLY AND SAFE FOR PET - All accessories are put into rolling ball, the LED red light is gentle enough and will not harm your pet's eyes, the surface is made of environmental-friendly ABS material. The toy is automatic. It will accompany your cat/dog when you are not available, also could help the cat exercise more and have fun. Why choose me? Upgraded version with USB charging, charge 2 hours, enjoy 4 hours of fun High quality, non-toxic ABS plastic, wont break even hit the wall for hundreds of timesand will automatically turn when encountering obstacles. Small in size, good for kitty to play Package Contents: 1*LED Cat Ball 1*USB Charge Cable 1*User Manual Notice: The ball will move slowly when battery is in low power. The battery should be fully charged before use or storage. Charge 2 hours, the battery life will last 4 hours. Please use it on hardwood floor or non hair carpet, on long hair soft carpet it may in situ skid.