Portable Cooling Fan comes with a compact square design and leather handle, plus a 4000mAh built-in battery and USB power option, enabling easy use at home, office, or outdoors Humidifier Fan flexible 3-in-1 operation: use as a standalone fan, standalone humidifier, or combine both for enhanced cooling comfort in any space Personal Cooling Fan features 3 adjustable wind speeds and tiltable louvers, allowing users to customize airflow direction and to match individual preferences Humidifier Fan supports nano spray technology, which can be paired with essential oils to add a refreshing while providing dual cooling effects for a more pleasant environment Small Cooling Fan boasts quick mist output and circulating airflow, ensuring even distribution of cool, moist air without complicated setup or operation