This professional outer rotor BLDC hair trimmer is engineered for high performance and durability. It features stainless steel fixed and moving blades that work together to provide a sharp, precise cut. Powered by an advanced outer rotor BLDC motor operating at a speed of 9800 RPM ±10%, it delivers powerful and efficient performance for various hair types . The device is equipped with a robust 2500mAh Li-ion battery that requires 3.5 hours to charge fully and provides a substantial cordless runtime of 120 minutes or more, supporting extended use .