The GFOUK VoluSculpt 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. What Makes The GFOUK VoluSculpt Bust Massager SPECIAL? OUR GUARANTEE We are confident that we offer some of the best products on the market. Therefore, we provide a 30-day guarantee. We will make every effort to ensure that you are completely satisfied with your purchase. Online shopping can seem daunting. We want you to know that there is absolutely zero risk of purchasing something. We won't make it difficult if you don't love it. We offer email and ticket support 24 hours a day, 7 days a week. If you require assistance, please contact us. Please contact customer service if you have any problems with your purchase.