This eyelash extension fan dryer is made of ABS and PC material, lightweight and compact. The fan is operated by 2000mAh lithium battery with high-performance and efficiency. It takes about 2 to 3 hours to get fully charged and it lasts about 8 hours at low-speed after a full charge. This cooling bladeless fan could be recharged by all USB-enabled devices like car charger, home charger. Especially suitable for travel or outdoor sports.