This bladeless swirl-flow fan delivers gentle, even airflow without the harsh cutting sensation that causes headaches. It offers three quiet speeds, with Level 1 as low as 20dB for peaceful sleep, Level 2 for evening comfort, and Level 3 for a refreshing afternoon boost. Use it upright or horizontally in any room or outdoors. The long-lasting lithium battery charges via Type-C, and the wide-angle long-range airflow circulates air throughout the space. Safe, easy to clean, and perfect for camping, dorms, offices, or studies.