Nano Ceramic Cutter HeadThe hardness of nano-ceramics is 1.6 times that of ordinary stainless steel. The surface smoothness is smaller than that of stainless steel. Therefore, when the hair clipper is running at high speed, the noise generated by the ceramic cutter head will be lower and it will not be easy to generate heat. Working noise is less than 55db.Variable Frequency Power, Two Speed ControlThe ENCHEN Boost hair clipper adopts frequency conversion technology, and with the powerful 280 type motor, it provides two-speed power flexible switching to meet the needs of different hair types. The normal starting speed is 4500 rpm for normal hair, long press the switch button. Instantly activates the "Turbo" speed mode, with a powerful output of 5800 rpm, making it easy to build thick hair.ESM Intelligence Prevent Stucking HairESM (Energy Smart Manager) is the brain of ENCHEN products. It has two large modules of energy management and motor mastering, which can guarantee high speed operation and no stucking hair when the battery is low. During the charging process, the ESM will activate multiple guarantees to extend battery life and ensure safe charging. In addition, Boost's indicator system can accurately display the status of low battery, charging, and full power.The parts that contact the skin with the cutter head and the positioning comb are rounded to ensure safety and comfort during hair cutting. The hair clipper head consists of a movable cutter and a static cutter. It can safely contact the cutter head at any angle during the working process