Wireless Straight Hair Comb USB Mini Portable Negative Non Harmful Hair Straightening Comb Straight Roll Purpose Hair Curling Stick: Features: Millions of negative , deeply soothe hair scales, release tens of millions of high concentration negative directly to hair scales, neutralize electricity, and make hair soft, and shiny. Constant temperature heating, safe modeling, reduce the temperature of the scalp damage caused by hot and cold. Tooth comb -hot design, more -hot, inside and outside the new nylon tooth comb design, uniform heat at the same time, better -hot. Intelligent temperature control, corresponding to different hair types, according to different hair types to choose the appropriate temperature, preheating,200°C for rough hair 180°C for general hair 160°C for soft hair. The body is light, small and easy to carry, 172 grams, lighter than , and not tired for a long time. Real materials, focus on experience, the importance of using experience, temperature display, real-time control of temperature. USB charging, unlimited . Product Description: Gear temperature :160°C/180°C/200° C Rated input : 5V2A Product size: 4.5 * 4.5 * 20cm styling time: 3 minutes Product weight: about 172g Rated capacity :DC3.7V 2000mAh Material: ABS Rated power :35W Products include: 1x straight hair comb 1x charging cable