This wireless hair straightener brush features a ceramic MCH heater with 4 adjustable temperature presets (140°C-199°C), suitable for all hair types. The anti-scald dual-layer comb teeth design prevents burns and tangles, while the even heat distribution protects hair from damage. With a built-in 3600mAh battery, it works cordlessly for up to 30 minutes on a full charge, and can be recharged via USB. Compact and lightweight, it is ideal for travel, office, or on-the-go styling.