Scientifically proven, the Personal Air Purifier Necklace can effectively purify air polluted by indoor air and indoor harmful substances (such as pollen, dust), second-hand smoke and bacteria, mold, formaldehyde, and even PM2.5 air pollutants, which can improve your mood and sleep.

Air Volume: 50m³/h
Power (W): 11w
Voltage (V): 6V
Power Supply: Direct Current