new generation mini handheld portable fan. It is rechargeable with a Li-ion 2000 mAh Battery, which can also be detached as a separated power bank for convenience. The light-weight sleek handheld design allows you to carry around in office, home and travel with the removable fan stand, You can use it as desk fan in your office or can be used either handheld fan to carry it around to solve the hot stuff on the road. Meet your cool needs throughout the day. It also comes with a charging dock to stand the fan where you would like to use. 3 speed settings this mini fan have 3 speed level (Low/medium/high/) can adjust by pressing the power button repeatedly. The sleep mode can avoid headaches, stuffy nose caused by prolonged strong wind and meet the physiological needs of people. Aerodynamic 4-blade designs, moving air speed up to 27 ft/s, provides strong wind. The ML-N9 portable hand held fan operates with battery (removable) The small fan is extremely portable as no cable wiring needed which can be used both indoors and outdoors. Working time is 3-9 hours depends on speed setting. Charging time: approx 2 hours. Simply press the power button to set speeds.