* UPGRADE PLASMA FOR VISIBLY FRIZZ-FREE & HAIR-CARE RESULTS – This straightening brush emits 200 million plasmas while straightening your hair, effectively minimizing static and frizz while preserving and enhancing the hair's moisture. Achieve smoother, shinier hair effortlessly, without resorting to harsh chemicals or excessive heat. * USE WIRELESSLY OR WIRED AS YOU PREFER – With its built-in 9600mAh large-capacity batteries, this portable hair straightener brush offers 90 minutes of cordless usage, ensuring your freedom to style your hair anywhere. Also, it can function as a corded hair straightener, ensuring uninterrupted use even while charging.