Portable 4-in-1 Air Conditioner Fan | Mini USB Air Cooler with 5 Mist Holes & Quiet Operation | Multicolor Air Conditioner Fan for Room, Desk & Personal Use. The Portable 4-in-1 Air Conditioner Fan is a compact and efficient cooling solution for personal spaces. It functions as a fan, air cooler, humidifier, and LED night light, providing instant cooling with 5 mist holes and three adjustable wind speeds. With quiet operation, multicolor LED lighting, and USB-powered portability, it's perfect for home, office, or bedside use. ✔ 4-in-1 Functionality – Fan, air cooler, humidifier, and LED night light. ✔ 5 Mist Holes – Add water & ice for a refreshing cooling effect. ✔ 3 Wind Speeds – Adjustable airflow for customized comfort. ✔ Quiet Operation.