Technical Specs 9000 Rpm MotorGold Anti Allergy Foil BladesPocket Sized - travel readyQuiet and smooth Performance3 Hours Continuous Runtime30 Min Rapid Charge Ideal for Shaving at Home or on your Travels! The Mini Skull has a powerful newly designed turbo charged 9000 RPM motor to give a better all round performance, for powerful shaving with no drag. Get the closest shave ever! The signature TPOB Slime design has gold anti allergy foil blades, long lasting and sharp enough to get through any kind of thickness of beard stubble. Please Note for non barbers foil shavers do not shave down long hair, you are required to use a trimmer or clipper to get it down to stubble first. Anti Allergy Foil Blade These Gold Foil Blades are perfectly designed to avoid any allergy or irritation giving you the perfect smooth shave everytime.