1.FITS THE CURVE OF YOUR LASHES: USB rechargeable electric eyelash curler is a concave and convex gear shaped heater that conforms to the curve of the eyelashes. 2.HEATING AND SHAPING: Heated eyelash curler heats and defines the eyelashes, making it easy to curl them, better combing and shaping, and long lasting curls. 3.CONDUCTS HEAT: Electric eyelash curler uses a high conductivity zinc chromium heater wire to conduct heat and a high temperature protective sleeve. 4.USB CHARGING MODE: Rechargeable lash curler uses USB charging mode, so it can be charged anywhere in the car, office, or home. 5.COMPACT AND PORTABLE: Electric eyelash curler is long lasting and durable. Double the effect with mascara, compact and portable, easy to carry.