german refrigeration air conditioning fan household mute energy-saving electric fan shaking head floor fan voice remote control vertical wind

mechanical model [50m large area circulating wind] light tone low noise mechanical upgrade [100m large area circulating wind] light tone low noise remote control type [150m large area air conditioner wind] air purification remote control upgrade [200m large area air conditioner wind] air purification top with mechanical model [250m large area air conditioner wind] eight-character shaking head top with dual-core remote control type [300m large area air conditioner 6d cold air]] supreme dual-core remote control type [400m large area air conditioner 6d cold air]]

german patent [light tone super power saving + whole house cooling]]