High capacity battery and strong power motors enable the helicopter to fly much longer and more efficiently. 6 Axis gyro with posture control. 4 Channel function provide stable flying and easy operation. This upgraded RC quadcopter lets you safely take HD movies and photos from the sky, and recharge the copter with USB. 6-Axis gyro stability keeps this 4-propeller helicopter level for beginners. 3D mode accelerates and maneuvers for expert tricks. Charging time is about 90-120 minutes while flight duration is about 7-9 minutes.