UPPÅTVIND air purifier - IKEA
UPPÅTVIND air purifier A small and flexible air purifier that makes a big difference. It cleans the indoor air from harmful particles and pollen, and you can easily move it to always breathe cleaner air at home. UPPÅTVIND air purifier makes it easy for you to improve the quality of your indoor air.
www.ikea.com
does not seem to be using usb inlet port so might be complex to use it in a car for instance. But seems nicer compared to QT3.
Source