Adopting advanced Graphene heating technology, our hair straightener heats up in 30S and releases 20 million negative ions evenly distributed along each bristle, gently soothing hair static & frizz and reducing moisture loss. Tailor your styling experience with 12 adjustable heating levels(248℉-446℉), no matter your hair is fine, thin, regular, coarse or wavy. Cordless, USB rechargeable, compact and lightweight, enable you to style your hair with a smooth, frizz-free finish on the go - in the car, office, date, party, shopping etc.. An ideal gift for wife, lover, colleague, friends and neighbors!_x000D__x000D_20 Million Negative Ions Care: The hair straightener brush releases 20 million negative ions evenly distributed along each bristle, which not only gently soothes hair static and frizz, but also form a water film on the hair to reduce moisture loss after styling. Glide through hair effortlessly, preventing damage and leaving it smooth and polished._x000D__x000D_12 Heating Levels: Tailor your styling experience with 12 adjustable heating levels(248℉-446℉), no matter your hair is fine, thin, regular, coarse or wavy. This cordless hair straightener also displays the real-time temperature and battery level, allowing you to find the right heat for your hair type._x000D__x000D_3D Anti-Scald Teeth & 30S Preheating: Adopting advanced Graphene heating technology, this portable hair straightener heats up in 30S to right temperature to meeting your fast styling needs. Also feature 3D humanized anti-scald design, providing evenly distributed heat while preventing burns and effectively minimizing hair damage._x000D__x000D_Cordless & USB Rechargeable: Built in a 4800mAh battery, this negative ion straightener runs up to 30 minutes for highest heating level. Cordless, USB rechargeable, compact and lightweight, enable you to style your hair with a smooth, frizz-free finish on the go - in the car, office, date, party, shopping etc.._x000D__x000D_Thoughtful Gift: This rechargeable mini hair straightener also features 30 minutes auto sleep time for safer use. An ideal gift for wife, lover, colleague, friends and neighbors!_x000D__x000D_Friendly Reminder:_x000D_1. Please fully charge the straightener brush before first use._x000D_2. Please do not touch the comb teeth when it's hot. Please keep it away from children._x000D_3. Please be careful during use and do not let the hot comb teeth near eyes or face._x000D_4. The straightener brush is not waterproof. Don't use on wt hair._x000D__x000D_Product Type: Hair Straightener Brush_x000D_Color Options: Black, Grey_x000D_Material: PC+PA46_x000D_Inbuilt Battery: 1Pc 7.4V 4800mAh Rechargeable Battery(Battery is not for individual sale)_x000D_Input: 5V/2A_x000D_12 Heating Levels:_x000D_120℃/248℉; 130℃/266℉; 140℃/284℉; 150℃/302℉; 160℃/320℉;_x000D_170℃/338℉; 180℃/356℉; 190℃/374℉; 200℃/392℉; 210℃/410℉;_x000D_220℃/428℉; 230℃/446℉_x000D_Recommended Heating Levels for Hair_x000D_Fine Hair/Thin Dyeing Hair: 248℉-360℉_x000D_Medium To Wavy Hair: 360℉-446℉_x000D_Support: Switching Celsius and Fahrenheit, Real-time Temperature Display_x000D_Preheating Time: 30S_x000D_Runtime: 30-40Mins(446℉)_x000D_Charging Time: 4-6Hrs_x000D_Auto Sleep Time: 30Mins_x000D_Per Comb Teeth Length: 1.8cm/0.71in_x000D_Charging Cable Length: 60.5cm/23.82in_x000D_Item Size: 19.5x5x4cm/7.68x1.97x1.57in_x000D_Item Weight: 285g/0.63 lbs_x000D_Package Size: 23*8*7cm/9.05*3.14*2.75in_x000D_Package Weight: 519g/1.14lbs