1. High-concentration negative ion output, no need to replace the filter element, energy saving and environmental protection 2. Negative ions are released by electronic brush 3. Quiet operation with soft light indicator 4. Plug and play, one key to turn on, the blue light starts to work 5. Smart chip, continuously purifies the air and removes pollutants in the air 6. Lightweight and portable, suitable for a wide range of applications 7. Rated voltage: AC 110V / 50Hz 8. Rated power: 0.5W 9. Size: about 10 x 5cm
