Mobile Joints Different angles of the joints and shark body bumps will show different paths of activity in the water to stimulate children's curiosity. It looks like a real animal, which gives kids fun. Lightweight and Waterproof: Made of ABS material, it has high strength waterproof performance, which can freely swim and spin in the water. And it features realistic movement. It can flexibly swing like the real fish. 2.4GHz Remote Control Frequency: Equipped with 2.4GHz high frequency remote control system, this remote control fish toy is suitable for many people to compete without interference. the remote control shark has the function of sensing water, and the motor will stop running when the shark is removed from the water. USB Charging: The toy has a built-in 3.7V 320mA battery and a USB charger cable for easy charging. Note: The shark must first be placed in the water for the remote control to detect and start working. Otherwise, the remote will not be able to control normally. Function: forward/backward, turn left/right. speed control. Applicable to various scenarios: The remote control distance is about 40 meters, suitable for various scenarios, such as swimming pools, bathtubs, water parks, rivers, etc. If you have any questions, we hope you contact us immediately, and we will give you a satisfactory solution.