100% Original and Good Quality with Free After-sale Warranty. The role of negative ions is to lock the hair scales during the styling process so as to lock in moisture and keep the hair smooth and shiny Reducing the negative ions of the hair bifurcation can neutralize the positive charge in the hair to eliminate the generation of static electricity, effectively reduce the hair rough split and other problems Safe thermostatic hair care 20 seconds fast heating styling without waiting 3D overlapping design of comb teeth anti-scalding comb teeth heat insulation anti-hot comb teeth smooth reduce pulling hair heat insulation protection anti-hot Three levels of intelligent temperature control for different hair types Product parameters Name: Straightening comb Voltage: 7.4V Rated power: 35W Charging method: TYPE-C Battery capacity: 4000mAh Charging time: 3.5 hours Battery life: 3.5 hours Material: ABS colour: Grey+red Package Contents: 1 x Curling Iron 1 x Type-C Data Cable