• A negative ion air purifier can release more than 10 million high-concentration negative oxygen ions into the air, purify 1M breathing space in all directions, actively remove PM2.5 formaldehyde and other air pollutants
• The mini air purifier can be hung on the neck and carried easily, so you can enjoy refresh and clean air at any time
• This air purifier's working volume is ultra-low, won't disturb you at all when you work or rest
• With built-in rechargeable battery, this air purifier can be used for a long time after being fully charged
• Simple and convenient to use, one button operation

Specifications:

• Model: Y108
• Material: ABS+ electronic components
• Product size: 78*40*20mm 
• Single net weight: 38g
• Input current: 1A
• Input voltage: 5V
• Operating current: 20mA
• Rated power: 1W max
• Plug connector: Micro USB
• Working time: 20H
• Battery capacity: 300mAh
• Charging time: 2-3H
• Negative ion emission capacity: 18-20 million/cm³
• Noise: less than 36dB