MJX B3 Mini Drones Quadrocopter 2.4G 6AxisKey Features--Brushless motor, Self-stability and manual mode switching.--One key to start,high and low speed shift.--Low voltage alert, weak signal alert, motor stuck protection.--Small size,easy to carry and fly through the room.--Rising, descending, forward, backward, left and right steering, left and right fly, 360 flip 4 directions tumbling.Manufactur..