Features: 1. High quality short plush and PP cotton material, soft and safe without hurting your pet mouth, durable for long time play and not easy to damage. 2. Built-in lithium battery can be powered by USB charging, you can charge it via adapter, power bank, PC, cellphone and more. 3. Realistic fish appearance and the touch-induction fish tail movement can attract the attention of cats to help stimulate hunting instincts and encourage them to do more exercise for better health. 4. Detachable and portable design with smooth zippers for carrying and washing convenience, you can put some catnip to make your cats more excited and interested. 5. Affordable gift for you cats to spend the boring time on it for instant self-entertainment, which will ease the unhappy mood and release the pressure when the owners are not at home.