Kemei KM-7055 Professional Hair Cordless Trimmer for Men – Insert amphibious filling you can plug the external power adapter to recharge the built-in power supply at the same time, it also can be used directly. Kemei Professional Hair Cordless Trimmer For Men has a safe cutting head made of stainless steel, resistant to corrosion. Low noise design Experiments prove that the blade is switched on in a certain environment noise. Powerful motor Create high-velocity airflow through the hair chamber while trimming for maximum suction.