Stainless steel sharp cutter heads, safe and fast cutting without hurt the skin, and no hair get stuck.Eliminate the traditional need of scissors to remove the unsightly facial hair from face, nostril and ear, higher security provided.USB charging design, it can be charged through the computer, car charger, portable power and any powered USB port.Material: ABS + Stainless steelVoltage: 5VPower: 0.5WCharging time: 2hoursUsage time: 60 minutesSize: about 25*135mmPackage Included:Nose hair trimmer head *1Although the order is over, our service is not over yet. Yours is definitely the biggest motivation for me. If you have any questions, please feel free to contact us, we will serve you wholeheartedly.