Thanks to the beginner / Advanced mode, the Carrera RC Quadcopter CRC X1 is ready 4 fun for both beginners and experienced pilots. Due to its high-quality 4-axis gyro system, a simple, stable flying behavior is guaranteed and the 2.4 GHz technology enables you to have untroubled flying fun. The changeable 3.7 V - 380 mAh LiPo rechargeable battery provides enough power for up to seven minutes" flying time. The Carrera RC model can be fully recharged at the USB port using the USB charging cable supplied in only about 60 minutes. As a ready to fly model, the remotely-controlled RC helicopter is supplied with all necessary accessories such as Controller, six AA batteries and USB charger cable as well as a set of replacement rotor blades.