Purified air pure breath
Power 1w
Voltage DC5.0v
Working current 0.12mAh
Battery  150mAhpolymer lithium battery
Strong purification of for formaldehyde,smoke
Remove PM2.5,the source of allergy
Effective isolation of virus
Small and portable ,not need for consumable
Zero radiation,quiet breathing.
Charging 20 miuntes can working 5 hours .
One key operation ,simple ,easy to handle .
Fashion appearance,can be a necklace 

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