Cordless Design and Power - 2024 UPGRADE cordless hair straightener brush with a 6400mAh battery delivers 7–11 styling sessions per charge, enabling styling at home, on trips, or on the go. Please charge the product before first use, as long-distance transport may affect the battery level. Safety and Auto Shut-off - 2.8-minute automatic shut-off helps prevent accidents and conserve battery life. Auto shut-off does not indicate no charge; restart by pressing and holding the power button for 2 seconds to continue. Hair Coverage, Temperature Sensing, and Protection - Travel-size straightener features triple-density teeth and 147 bristles for wider coverage and faster styling on thin or thick hair. - 1000 times/s smart sensor continuously monitors temperature to prevent overheating, saving time and protecting your hair. Hair Care Technology - Ionic technology with keratin ceramic coating releases 100 million negative ions, reducing hair damage by up to 90% and increasing shine and smoothness by about 95%. - For safety, an 8-minute auto-off function is included. Restart by a 2-second press to switch on. Heating Performance and Control - 3 precision MCH heating settings with rapid 60-second heat-up: - 160°C / 320°F (finish in 60s) - 190°C / 374°F (finish in 90s) - 230°C / 450°F (finish in 170s) - Indicator light: flashes during warm-up and stays lit when finished. - Suitable for all hair types from 2A wavy to 4C coily, making it a versatile tool for professionals and beginners alike. Size, Weight, and Materials - Feather-light and portable: 229 g, dimensions 7.08 x 2.16 x 1.57 inches. - Built with an ionic ceramic-coated plate and MCH heating technology for efficient, stable performance. Travel-Ready Gift Set and Accessories - Delivered in an elegant box with a storage bag, 2 hair clips, and a charging cord, making it a convenient gift. - Compact and travel-friendly for use in a room, office, café, party, car, or anywhere you need quick styling. Use Scenarios - Quick touch-ups at home between washes for a polished look with minimal effort. - Cordless styling during travel or commutes, avoiding the constraints of a power outlet. - Professional use for clients on the go or in a salon setting, offering fast, uniform results for a range of hair textures.