Features: 1. Using a 2.4GHz transmitter will not cause any radio interference. 2. The functions of this product include forward, backward, left turn, right turn, high speed, low speed, and large and small rudder. 3. Adopting high rate lithium batteries, with short charging time, long battery life, and strong explosive power. Using high-end car paint, surface UV coating, wear-resistant and waterproof. 4. Small in size, suitable for indoor bathtubs, children's swimming pools, inflatable bathtubs for play, and keeping away from danger. 5. Hidden sealed charging port, power on, frequency pairing, and low battery indicator. Equipped with a water inlet switch, the water inlet is powered on, while the water outlet is powered off, ensuring safety and avoiding harm to hands. Specification Hull dimensions: 10.5 x 3.2 x 2.2 cm Body weight: 21 g Applicable age: 6+ Product materials: plastic, electronics, hardware Control method: remote control Working frequency: 2.4G Shipboard battery: 3.7V 100MA polymer physical battery Charging time: 15 minutes Battery life: approximately 12 minutes Remote control distance: about 15 meters Remote control battery: AAA 1.5Vx3 (not included) Color: Blue, Red, Green Packing Size: 14 x 10.5 x 6.5 cm Weight: 150 g Package Include: Remote control ship x1 Remote control x1 Protected charging cable x1 Instruction manual x1