1、Fast Preheating: The heating unit of the heated eyelash curlers uses high conductivity heating wire to conduct heat energy, 10 seconds for rapid preheating, and 60 seconds for setting eyelashes  2、Wide Spaced Combs: The wide spaced combs can heat and shape the eyelashes after applying mascara, keeping the eyelashes curled for a long time  3、3 Level Temperature: High, medium and low temperature 3 levels temperature design to meet the needs of different users. USB design charging, large capacity lithium battery is fully charged in 5 hours  4、Guide Slot Design: The guide slot of the heating sleeve is designed to fix the curling shape of the eyelashes, and at the same time isolate the distance between the skin and the heating body to protect the skin  5、Curved Brush Head: The arc shaped brush head perfectly fits the curvature of the eyelashes, and the effect is more apparent when used with mascara. Both upper and lower eyelashes are used