It can be a two-blade fan, or it can be switched to a single-blade fan You can adjust the wind direction you want by 360 degrees up and down Ultra-quiet design, you will hardly hear the sound of work when you are working, and will not disturb what you are doing. It is very suitable for sleeping, studying and working. The well-designed process makes the fan more beautiful; the bottom of the fan has a silicone pad, which is stable and non-slip; the high-density mesh cover prevents children from reaching into the fan and hurting their fingers design, it is very suitable for travel Product name: Mini fan Rated input: DC5.0V / 1.0A Product weight: 292g Battery: 2000 mAh Rated power: 2-7w colour:White Material:ABS size:11.5 x 4.6 x 23CM Package Contents: 1 x small fan 1 x charging cable Only the above package content, other products are not included. Note: Light and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.