[3D floating heating plate and comb] The hair straightener is designed with 3D floating heating plate and 3D comb. 3D floating hotplate adopts ceramic anti-scald baking varnish, which reduces the damage to hair quality and is safe to use; 3D comb teeth enhance the smoothing effect and prevent hair breakage and adhesion.[Temperature memory function] The hair straightener has temperature memory function and intelligent safety protection settings, no need to repeat the settings, providing higher safety factor and longer service life.[Three-level temperature control] The curling iron adopts intelligent three-level temperature control, which is suitable for different types of hair. The LED light is turned on by a button, and the power and temperature are displayed in real time, which is more intuitive and clear.[USB Charging] Mini straighteners and curling irons use USB charging, safe and efficient; Cordless use, without power cord restriction, easy to use, compact and portable, easy to travel and carry.[Long standby time] The curling iron has a built-in high capacity polymer battery, which has a long standby time. It can be used as a mobile power bank to charge cellphones.