RTF Voice Controlled 3.5-Ch RTF Co-Axial Mini Helicopter - Yellow Tell it where to fly! This voice-controlled helicopter listens to your commands! Responds to 8 different voice commands: take off, up, down, forward, backward, left, right, and turn around Allows for simultaneous voice and radio control. Responds to both voice commands and signals from the controller at the same time! Ready-to-fly straight out of the box. Just pop (6) AA batteries in the transmitter, charge the heli and take off! Charges via USB. Charge through your laptop, desktop, car, or even your smart phone charger!