Portable USB Plasma Cluster Air Sterilizer & Deodorizer

Portable USB Plasma Cluster Air Sterilizer & Deodorizer (Ai408B). Adopted plasma ionic sterilization & deodorization technology. Ion concentration > 20,000,000 pcs per cm3. Maintenance-free, no consumables, no secondary pollution, built-in rechargeable battery for 14-hour operation.