Plam-sized rechargeable battery fan built-in with 4400mah 18650 lithium battery, which can work as a 4400mAh power bank
Three gear speed control. 1st: soft wind; 2nd: moderate wind; 3rd the strongest. Working time when battery fully charged: about 12 hours @1st wind speed; 8 hours @2nd wind speed; 4 hours @ 3rd wind speed.
Various ways Charging: AC adapter, USB cable, car charger, power bank etc.
Designed with a LED lamp by side, be good in dark night, especially in outdoor like camping
Adopted with brushless copper motor, working high efficient and low power consumption; ABS RoHS compliant material applied to whole fan body.