From Fear to Curiosity, from Familiarity to Obsession: Some kittens, introverted or shy cats may come with some fear when they see electric cat toys for the first time, don't you don't worry, play with the cat patiently, you will soon find that the cat is willing to proactively approach and fall in love with this 360 degree self-rotating cat toy. Cat Ball Toy USB Rechargeable Automatic Cat: The ball will continuously move around your home while producing red/colorful light. This kitten toy comes with built-in rechargeable battery and auto sleep function, it will automatically power off after 40 minutes running time, no need to replace batteries again and again, just plug in the cable for 1.5 hours, gives your cat up to 4 hours of fun. Indoor and Outdoor Are Applicable for Interactive Cat Games: Cats can play this catnip toy on wooden floors, tiles, marble floor, thin carpets, felt carpets, linen carpets, self-leveling and other low-strength floors.