1Great Fitting: Scientific human engineering design, in accordance with the physiological curve of the chest, suitable for all kinds of adult physique. 2Plump Up: Apply the principle of physical massage, stimulate the breast, regulate the body's endocrine and produce breast muscle movement,and then stimulate the growth of breast fat cells. 3Improve Breast Skin: Electric breast massage tool helps to make the breast skin white and soft, improve the elasticity of the breast skin, lift and tighten. 4Improve Sagging: It helps to solve your breast dysplasia, also promote relaxation, sagging, breast reduction and fullness recovery. It restores the firmness of the breast skin, making it more delicate and elastic and healthy looking. 5Comfortable to Use: Ultra thin, lightweight, comfortable to carry, safe and comfortable to massage. Provides effective cushioning and comfort for fitness for any use. 6Application Scenes: The concealing device provides more possibilities for daily life and work, such as daily entertainment or running, shopping, shopping at home, going to work, going out, traveling, etc. It can be easily used. USB charging, more energy saving and environmental friendly.