natural air fresh
1.negative ion and optional aroma
2.clear air
3.dispel smoke and dust
4.portable

natural air fresh(clear air,dispel smoke)

> Activate cells and prevent against radiation. 
>Anion can dispel dust, smoke, so that fresh air and put an end to passive smoking. 
>Prevent dust accumulation and protect your computer (Dust is the No. 1 killer of a computer damaged).
>Ozone disinfection can be carried out on the air, inhibit bacteria viruses (such as H1N1) breeding. 
>Ozone can dispel musty, smoke, toilets smell and leather, paints release of formaldehyde, benzene and other toxic gases. 
>Rotate protective cover and plug directly into a computer's USB jack when in use. It’s very convenient. 
>When not in use, users can turn protective cover easily to protect the USB plug. 
>Blue light as decoration, warm and fashionable. 
>Exquisite, high quality goods acting as an excellent gift.