The flower said / Air-conditioning

Usage method:
Intelligent sound control, air-conditioning rolls to the users according to the sound source.
The fan blades of air-conditioning can control the wind speed, temperature, humidity and so on by self adjusting angle of themselves.
Structural description: Just like the right picture, no matter the angle of the fan blades expands, they are always on a horizontal surface with the bottom of the cylinder of the air-conditioning center, so that the fan blades will not bear the weight of the main engine.
User experience: The unique way of sending the wind will make people have fun.