... .3 color option,smart shape 3.Auto swing function controlled by button 4.Portable,USB port mini fan 1.New style ... . 4.Weight:216g. 5.Long life and low noise kept by fan brushless motor. 6.Wire length:1.2m. 7.Control ... : key switch,2 stalls, auto swing funtion controlled by the top button. 8.Pitch angle can be adjusted upwards ...