The overclocking knife is the latest RF equipment in BTL202 1. With the only FDA-certified ultrasound in the world combined with unipolar RF technology, that is, ultrasound and RF are emitted at the same time, so it can effectively deliver RF energy to the bottom of the skin, quickly tighten collagen and tighten facial contours. In addition, RF heating technology can also effectively decompose fat and reduce the number of fat cells, which is what we call shaping a delicate small V face.