Superb control experience: 2.4G long-distance remote control, support 10 people at the same time competitive operation. The remote control distance is greater than 50 meters. The shape can be switched at will: the shark shell can be installed on the speedboat and transformed into a speedboat in the shape of a shark, which is novel and fun. Charging introduction: The charging time is 80-90 minutes, and the use time is about 20 minutes. The light at the USB connector is off when charging, and the red light is on when it is full. Remote control boats for adults and children: The remote control boats are birthday gifts for boys and girls. They can experience the fun of remote control boats. Suitable for use in outdoor/indoor swimming pools and lakes. Product material: plastic material and electronic components Shark size: 26.51115.8CM Speedboat size: 23.57.56.5CM Hull battery: rechargeable battery Remote control battery: 2 "AA" batteries (not included) Charging time: 80-90 minutes Remote control distance: 40-50 meters Use time: 20 minutes Note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement.