Portable fan

The utility model relates to the technical field of fans, and discloses a portable fan which comprises a fan body, a control circuit board located in the fan body and a control part connected with the control circuit board. The control part is embedded in the fan main body and is partially exposed out of the fan main body; and the control part comprises a roller key, and the roller key is used for adjusting the air outlet amount of the portable fan in a stepless speed manner in a rolling manner. By means of the mode, the air outlet amount of the portable fan can be adjusted in a stepless speed mode, and the air speed can be freely adjusted. 本实用新型涉及风扇技术领域，公开了一种便携式风扇，包括：风扇主体、位于所述风扇主体内部的控制电路板以及与所述控制电路板连接的控制部；所述控制部嵌设于所述风扇主体上并部分露出于所述风扇主体；所述控制部包括滚轮按键，所述滚轮按键用于通过滚动方式无极速调节所述便携式风扇的出风量。通过上述方式，本实用新型的便携式风扇可以无极速调节便携式风扇的出风量，自由调节风速。