Skin-friendly flexible tube with 360 degree rotation folding for carry-on. Unique air 180 degrees rotation creative air.
The fan is divided into three levels.
battery capacity: 4000mAh
Charging time: about 5 hours
First gear about 12 hours, second gear about 8 hours, third gear about 5 hours (4000mAh)
nput voltage：DC 5V
Battery voltage：3.7V
Input current: 1A
Output power：2-7W