?ALTITUDE HOLD: Built-in barometer to set height and the drone will hover in the air when the left joystick is released. More easy to fly for beginners or young children ?HEADLESS MODE and 3D FLIPS: The Headless Mode eliminates the distinguish of the drones direction, the direction will be the same as your transmitter; 3D Flips towards different directions presents the flying show ?ONE KEY to AUTO TAKE OFF/LAND and FAST/SLOW SPEED FUNCTION: Just need to push the “B” button, the drone will auto takes off or descends to the ground; Two speed levels make the flight more stimulated