PORODO HIGH PRECISION BEARD TRIMMERPorodo high precision beard trimmer Using an old fashioned hair trimmer that doesn't work well might hurt your skin. Your trimmer's battery continuously dying might be similarly frustrating. You were intended for the Porodo high precision beard trimmer with digital display. The trimmer has a variety of functions to give you skin that is smoother and healthier. The trimmer uses a 600mAh battery that has a capability of 2 hours of continuous usage