JOGOTO M5 Series Small Size 3.5 CH RC Remote Control Single Blade Helicopter with Gyro (Color may vary) Avaliable in 3 different colors - Red, Blue and White. Stabile Flight Characteristics, easy to fly, great for beginners. Fly indoors, remote Controlled Single Rotor Helicopter. LCD on Transmitter. 2 PCS 3.7V 150 mAh Li-polymer battery. With 2.4GHz radio system, this helicopters can fly at the same time without interference. Flying time: about 5 - 6 minutes. Charging time: about 60 minutes. Control distance: About 30 meters.