Dr. USB is a plasma ionizer that removes airborne viruses and bacteria. It is easy to install by plugging it into the USB port and easy to carry with only 150g of weight. It generates much less ozone than the level accepted by the FDA.

• Compact size.
• Portable design.
• Efficiently removes airborne viruses and bacteria.
• Ozone level: 0.002ppm, where the FDA level is 0.05ppm.