Compact, portable design that you can take anywhere—great for travel Provides purified air in your personal breathing space Utilizes a HyperHEPA(R) filter with up to 99% filtration efficiency Removes pollutants including mold, dust, bacteria and pollen from the air PureJet diffuser controls the direction of the air output Filter replacement indicator—double red flash and sound notification 3 speed settings: low, medium, high or standby mode Change fan speed by tapping the Atem® logo with two fingers Quiet operation: 20-44 dB(A) Virtually-silent operation Lightweight—only 6.26 lbs. when fully assembled Wi-Fi compatible with the IQAir Atem® app for Apple or Android for additional features/controls: - Smart on/off - Pairs easily via Bluetooth® - Fan speed adjustment Swiss engineering and German manufacturing