Upgrade Wearable Air Purifier Necklace Mini Portable USB Air Cleaner Negative Ion Generator Low Noise Air Freshener 2 style Purism
- Principle of sterilization: ozone
- Applicable temperature: -10 ° ~ 50 ° C
- Main material: ABS
- Working current: 25ma
- Duration of use: 15 hours
- Charging method: USB
- Product accessories: Sterilizer
- Number of negative ions released: 1000W / cm³