Review on 🌬️ 4WDKING Rechargeable HEPA Filter Air Purifier: Portable & Reusable for Outdoor Sports, Sleep, Housework by Tiffany Scofield

1. Really blowing. The problem is that it's noisy, like having a tiny vacuum cleaner around your neck. It would be great if it were quieter. 2. The supplied mask is not completely airtight so I tried using my washable mask and put the filter in the bag, the air is not strong enough to pass between them. I doubt I will use this product so I'm just sending it back. Unfortunately.