Feature: 1. When the toy is touched, the built‑in motion sensor will start to move, and the toy will move in a swinging manner, attracting the cat to kick and play. 2. This smart cat toy can promote sporadic exercise, stimulate the cat's hunting instinct, and keep the cat healthy and mentally active. 3. The cute fish‑shaped design attracts the cat's attention and circulate the smell of catnip to make your cat like it. Catnip can relieve depression and stress in your kitten. 4. Made of durable plush, the material is bite‑resistant, safe and non‑toxic. The injectable rechargeable motor is detachable, making it easy to wash this fish cat toy by hand. 5. This toy uses USB to charge, which can save you the trouble and cost of replacing the battery. Specification: Item Type: Cat Electric Fish Toy Material: Plush Color: As Pictures Shown Battery model: lithium ion battery Battery capacity: 310mAh Voltage: 3.7 V . Package List: 1 x Crucian Toy 1 x USB Charging Cable 1 x Catnip Note: 1. When a cat plays with a fish, its tail will start to wag and move. This saves power and can extend the cat's play time. 2. If the fish does not move, please check the battery is empty and fully charged in time. 3. Please remove the battery from the abdomen before cleaning. 4. Need to open the switch in the abdomen zipper, in order to make the simulation of the fish beating normally.5. Please check the detailed size on the picture.