Top features of the Mini Air Cooler fan: Portable and Lightweight: Being light and small, it can be easily placed in the bedroom, office desk, or study table. Easy to carry while traveling. [1] Three-in-One Benefit: It works as an air cooler, humidifier (maintaining air humidity), and a regular fan simultaneously. [2, 3] USB Power Supply: Can be powered by a power bank, laptop, or any USB adapter. Energy-efficient. [3, 4] Instant Cooling: Features a chamber for ice or cold water, making the surrounding air icy cold in an instant. [5] Quiet and Silent: Advanced technology ensures very low noise, so your sleep or work is not disturbed. [2] Multi-color LED Light: The built-in night light creates a beautiful ambiance in your room.