Features: -With a flexible mechanical tail joint, it can swing freely like a real shark. It also adds a light and water spray function to increase the fun of playing. (Note: the remote control shark can only be played in water.)-It uses 2.4GHz remote control technology, provides forward, reverse, left and right control, water spray, one-touch presentation control.-The remote control is waterproof, so you can take the remote control into the water. Suitable for most occasions, you can play with the remote control shark in swimming pools, fish tanks, bathtubs, ponds, etc.-Equipped with 2 high-performance rechargeable batteries, it can play continuously for about 50 minutes (25 minutes per battery). The battery supports multiple charging methods, suc.