... -copter 3D Fly Aircraft Helicopter Bulit-in gyro wl toys v929 2.4G 4ch 4 CH remote ... light blue .Product function:4 channel remote control UFO with 3-axis gyro, ascend, descend, forward, backward, left ... :About 50minsControl distance:100-150M,4Pcs driver motor,3.7V,500MA,remote controller’s battery: 6*AA ... : 4 x 1.5V "AA" batteries (not included);(3) Charging time: Approximated 50 Minutes;(4) Flying time: ...