Features 1. Wireless Straight Hair Comb: Say goodbye to irritability in 1 minute, shiny and smooth, change hair radiance, make it easy for beginners to get started, save delicate lazy people, and smooth out irritability 2. Straight Hair Comb: Portable straight hair combs have a built-in rechargeable battery (5000 mAh), long battery life, and provide convenient USB Type-C charging. Small in size and light in weight, it is convenient to carry around the world. Use anytime, anywhere to get rid of the hassle of wires. 3. USB Fast Charging: Our cordless hair brush is equipped with a 5000mAh rechargeable battery, which can charge quickly within 2 hours and can be used continuously for 30-60 minutes after being fully charged. Cannot be used while charging. This provides you with more convenient and efficient life services. 4. Four Temperature Settings: The straightener brush has four heating settings: 200 C/392 F suitable for rough and hard hair; 180 /356 is suitable for slightly hard hair; 160 /320 is suitable for normal hair quality; 140 /284 is suitable for fine and soft hair. 5. Safe And Anti Scalding Design: The handle of the straight hair comb is made of silicone material, which is safe and prevents hand burns. Specification Single weight: 241.3 g Single size: 23.6 x 3.55 x 3.55 cm Single packaging weight: 415 g Single packaging size: 26.5 x 7.5 x 4.8 cm Battery capacity: 5000mAh Negative ion: 800W Built in Battery Power: 35W~40W Input voltage: 5V-2A Output voltage: 3.7V Charging time: 2.5-3h Material: Ceramics Color: White, Grey, Blue Package Include: 1x Cordless Hair Straightener Brush