This professional hair clipper is engineered for high performance and durability. It features a stainless steel fixed blade combined with a ceramic moving blade, designed to provide a sharp and smooth cutting experience . Powered by a high-capacity ICR21700 4600mAh Li-ion battery, it requires 4 hours to charge fully and delivers an extensive cordless runtime of 300 minutes or more, ideal for prolonged use . The motor operates at a speed of 7000 RPM ±10%, ensuring consistent and efficient cutting power for various hair types .