... 4D variable frequency technology4D multi-polar radio frequency plastic body joined 4D instrument to 5MHz frequency conversion technology, combined ... promote the subcutaneous adipose tissue metabolism, rest in comfort Body shaping the process to achieve results. (2) Heat ... neck line, double chin, skin-smoothing, deep & light wrinkle. Body: Arm, waist, abdomen, leg, pregnancy line, loose-skin tightening ...