1.[Funny Tail Accessory]:The innovative and speedy tail 2.0 cat toy features an elastic tail accessory that moves rapidly in tandem with the ball. This lifelike movement tricks your indoor cat into thinking it's an agile mouse, instantly triggering their natural hunting instincts and making them go wild for the toy. 2.[Play on Any Floor]: Equipped with a powerful motor, this interactive cat toy ball has the ability to navigate across various floor types. Whether it's thick carpets, thin carpets, or hard floors, it can move quickly. Do note that while it maintains great mobility on carpets, its movement speed is slightly slower compared to that on hard floors, but the fun for your cat remains intact. 3.[No need to charge]: Our high - quality interactive cat toys come equipped with built - in AA batteries. With normal use, these batteries can last up to a month. This convenient feature ensures continuous playtime for your indoor feline friend. For extended use, you can purchase extra batteries if needed. 4.[Wake-up function]: You can effortlessly press the button to activate this motion cat toy, following the provided instructions. When you're out and unable to interact directly with your cat, this innovative interactive cat toy ball with the wake - up function steps in to keep your cat engaged and entertained.