Cooling Filter and Accessories -USB Ion Air Purifier Highlights Generic Brand USB Ion Air Purifier Description: Adopts carbon fiber brush system to emit healthy negative ions into the air. The negative ions emitted extremely purify the air and eliminate toxic substances, including dust, odors and mold, etc. It connects with your computer and regularly releases a lot of negative ions into the air, improves the body's immune ability, protects its health from bacteria, dust, smoke, etc. Mini compact size, portable and lightweight. The LED light indicates the operation of the device. Easy to install, connect directly to a USB port. Low power consumption and energy saving. Specification: Material: ABS Size: approx. 8.95x2.15x2.15cm/3.52x0.85x0.85inch Package includes: 1 Piece USB Ion Air Purifier