Product function and characteristics:Paddle design, built-in waterproof high efficiency motor.Simulation shark joint, resistance is deep in the sea.2.4GHz wireless remote control, easy to operate anti-interference.Sealed waterproof cover, the water into the cabin during protection.Tail activity joint, imitation real shark shake.Shaped streamlined bullet type design, reduce resistance, high strength waterproof performance.Product parameters:Return time: 20 minutesCharging time: 60-90 minutesRemote control distance: 40-50 metersProduct Battery: Rechargeable BatteryProduct size: 34 * 14 * 9cmProduct packaging:Remote control shark * 1, remote control * 1, screwdriver * 1, charging head * 1, propeller * 2, battery * 1After-sales service: We are committed to providing you with quality services. If you have any questions after receiving the product, please contact us in time, we will reply you within 24 hours.If you need other stylists, please search for "Mafang" in Amazon.