Quick Natural Curling : The lash curler can fast heat up within 20s, Once heated, you simply curl your lashes for a few seconds for naturally voluminous and long-lasting lashes. Portable Charging: The heated eyelash curler can be conveniently charged through the Type-c port, so you can always use your laptop, mobile power and other devices to charge it, eliminating the hassle of replacing batteries. Three Tempreture Setting: Our portable eyelash curler heated equipped with three temperature design,can select High/medium /low temperatures level depending on the different eyelashes/region. How to Use: Press the heated eyelash curler to the base of your lashes for a few seconds, controlling how long you curl your lashes depending on how much curl you want. After curling your lashes, it is recommended that you apply mascara to help define your lashes. Tips for beginners to use eyelash curlers: Tips1: Press the top of the eyelash curler on the upper eyelid (stuck at the root of the eyelashes), lift your wrist and slowly push up, gently clamp it. Tips2: Place the bottom of the eyelash curler under the eye, aim at the root of the eyelashes, clamp the eyelashes, and gently push them up. (If the eyelashes are not curled enough, you can repeat the clamping several times)