The AirTamer A310 is the world's most effective personal rechargeable air purifier. AirTamer's Advanced Ionic Technology emits a constant stream of healthy negative ions that force airborne pollutants away from your personal space giving you a zone of cleaner, healthier air.AirTamer's state-of-the-art electrostatic purification creates a 3 foot sphere of cleaner, healthier air around your head. It cleans the air of atomic sized pollutants (e.g. viruses, pollen, smoke, molds and dust mites) that traditional air purifiers (e.g. HEPA) leave behind.AirTamer's Power Boost Technology provides 9 times more cleaning power than the competition. It is silent in operation and it's extremely energy efficient technology provides 150+ hours of run time on one charge. Easily charged by included USB cable.AirTamer's design is ultra compact and incredibly versatile. A proprietary conductive adjustable lanyard dramatically improves performance and increases run time. You can wear it around your neck (strap included) since it is smaller than most MP3 players or place it freely on your nightstand so the air around your pillow is clean and free of pollutants.Wear AirTamer to create a cleaner zone of healthier air while traveling, in public places or in other poor air quality locations.