Computer supply, USB products, USB appliances.Innovative USB Computer Oxygen Bar Model JO-722Certifications: CE, RoHS, Fcc, Patent   Features and functions: Large negative ions; Clean air and remove smoke; Smoke result can be seen in 10 seconds.When people work beside computer or write for a long time, people will loss energy and feel upset, especially in air pollution environment. Anion is known as air vitamins. It can improve people's heart and lung function, promote metabolism, reduce fatigue, keep clear head, improve work efficiency. 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. 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. Its 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. JO-722 not only can be used on computer, but also it can be used at car.Technical data: Electrical source   5V / DC (USB plug)/12V / DC (Optionally equip with cigarette point to switch USB) Power  < 1 W Negative ions 3000000 pcs/cm3 Ozone < 0.02 ppmExterior size  90 X 23 X 22 (mm) Weight 22 gApplications Computer, Car   Packing: white box packing  Testing:   Our Hot Sale Products:  Any questions or futher inquiries, please don't hesitate to contact us. Thank you.