The BOOST+ Gold Professional Clipper features a durable metal housing that ensures longevity. The powerful lithium-ion battery provides 120 minutes of uninterrupted runtime with a quick 4-hour charge, delivering performance and speed even at lower charge levels. The durable, high-torque, brushless motor maintains a consistently high blade speed, even with longer and thicker hair. The precision-crafted DLC blades allow for easy, gentle cutting at lower blade temperatures.