Standard USB Connection & Easy Control: Works with common USB power supplies ( 5V / 2A) Designed with textured air inlet for better circulation, simple button controls for speed / selection ABS Build with Handle: Made from robust ABS, this lightweight unit ( 678g) resists daily wear and stays clean Quiet Setting with Gentle ventilation & Cool: Includes a special nighttime option producing low sound air movement ( 12V) with fine water particles for evening comfort Three Dispersion Outlets & Spacious Water Holder: Features 3 individually adjustable outlets for customized humidity 3 Speed Adjustable Fan with Cooling: This compact fan proposals 3 selectable ventilation settings ( strong / gentle / mild) to meet different cooling needs Combined with water dispersion feature, it effectively reduces temperature while adding to dry air, perfect for warm weather in offices, study areas, or bedrooms