This compact USB-rechargeable air purifier combines ozone and negative ion technology to eliminate odors, bacteria, and airborne pollutants in small spaces. Perfect for cars, bedrooms, and offices, it provides fresh, odor-free air without the need for replaceable filters. The built-in 1500mAh battery offers cordless operation, while the one-touch control makes it easy to switch between modes. Use ozone mode for deep odor removal (recommended for unoccupied spaces) and negative ion mode for continuous air purification. Lightweight and portable, it’s ideal for travel, pet owners, and allergy sufferers.