Innovative, intelligent, and efficient sensor: This interactive fish cat toy uses a new, intelligent, and efficient ZID5201 sensor from NOROTA. It responds at 100 Hz compared to traditional sensors. When the sensor detects that your cat isn't using the product, it shuts off in time to protect the battery and save power. High-quality plush and natural cotton: This cat toy is made of high-quality plush and natural cotton, which is not only soft, comfortable, and durable, but also safe, odorless, and chemical-free. The plush can be removed separately for easy cleaning and reuse. A packet of catnip increases attraction: Placing a packet of catnip in your fish cat toy has many benefits for your cat. It makes your pet feel relaxed and happy while simultaneously stimulating it. It also increases your cat's exercise and promotes digestion. And when you don't have time for your beloved cat, the cat toy fish will be there for them instead of you. Easy Battery Removal: The toy fish was designed with charging convenience and safety in mind. The battery can be easily removed. Simply pull the zipper to remove the battery, without worrying about the fish cat toy's cotton material being damaged by the heat during charging. Package Contents: We have a robo fish, a pack of catnip, and a USB charging cable for your beloved pet. And for better entertainment for your cat, we also have 3 simulated plush mice for different cats to play with. This flippity fish will bring your cat much joy.