3in1 desktop device: This compact unit combines a cooling fan, a 350 ml humidifier, and a soft night light for use at home or in the office. USB powered and cordless: Easily power via USB from a laptop or a power bank and enjoy up to 7 hours of cordless operation for continuous comfort. Hydration and humidity: Delivers a fine mist that helps hydrate the skin and prevent dryness and peeling, while maintaining a comfortable humidity level in your space. Quiet operation: Designed for quiet use with noise levels under 20 dB, suitable for studying, sleeping, or working without disturbance. Use scenarios: On your desk during long work or study sessions to refresh the air and hydrate your skin. On a nightstand for bedtime, providing a gentle mist and a soft ambient light. In small rooms or hotel rooms where USB power is available, offering portable humidity and airflow. Specifications: Water tank capacity: 350 ml Function: 3in1 cooling fan, humidifier, night light Power: USB powered; cordless operation up to 7 hours Lighting: Soft night light Size: Compact desktop design suitable for home or office Performance: Quiet operation, under 20 dB