This little mini fan can help you be comfortable on a hot day. It's a portable mini fan that can operate a 3-speed adjustable fan and rechargeable by USB. You can adjust the speed of the fan for your needs. It's hand-free and put it on your neck and the fan is also adjustable for the angle of the airflow. You can take it anywhere; camping picnic, sports, trips, fishing, golfing, or put it on the desktop.