[Electric Bust Massager]: Uses EMS microcurrent technology to stimulate the growth and lift up your breasts. It does this by stimulating blood circulation in the targeted area. Increased blood flow can enhance nutrient and oxygen delivery to the breast tissue, which helps improve the fullness and firmness of your breasts. 3 Gears Heating: Chest Beauty Enlargement Machine, USB Plug. Accelerate circulation, improve breast elasticity, make breast plump and full, 3-speed vibration & 3 gears heating hot compress to meet different demands. [Easy to operate]:The chest expander can be charged through the connected USB Plug power, freely choose the desired mode and intensity. Automatic timer for 15 minutes. Suitable for postpartum women, or women with deformed breasts, it works best with massage oil after bathing. [Working Principle]:By adjusting the amplitude and frequency points, vibration frequencies and six forces of softness, pulling, pushing, clapping, spinning and circling are used to simulate the manipulation of human body massage. [Invisible and Lightweight]:The invisible wearable massager offers more possibilities for daily life and work. Super thin and light, you can wear it at home or go shopping even when you are at work and enjoy the comfort of a chest massage at any time. When you travel, the massager can be taken with you without taking up too much space Note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement. Sold by-YJL official store