... and improvement is achieved. 2. Application2.1 Skin-tightening and lifting Tightening the forehead, eye-around, face and neck, shrink the ... Improve the skin-metabolism 2. Application2.1 Skin-tightening and lifting Tightening the forehead, eye-around, face and neck, shrink ... metabolism 3. Technical ParameterBi-polar RF frequency 1~10 MHzTreatment head 1 handpiece with 3 treatment tipsPower energy 0~50 W ...