The Homedics WhisperPure Mini Air Purifier is best if you want fresher air on the move. Its cordless design with up to eight hours of battery life lets you enjoy cleaner air wherever you go. The 3-in-1 True HEPA filtration with activated carbon captures dust, pollen, mould spores, odours and airborne chemicals, helping you breathe easier. And there's an essential oil tray with three pads for adding a gentle fragrance while it runs.17.5-34 dB operation - runs as quietly as a whisperThree speed settingsCarry handleLightweight 420 g design