Equipped with a high efficiency motor, 100 gear speed adjustable, perfect for outdoor leisure, sports, and travel activities Built in LED screen shows real time battery levels and speed settings, while multiple wind modes allow customized airflows for different needs Features advanced noise reduction technology for quiet, ensuring peaceful use even in quiet environments like nighttime Supports USB charging from various devices ( computers, portability power supply), offering recharging and extended usage time Light weight folding structure with ergonomic handle makes it easy to carry and store