How Does the InvoPro Ultrasonic LymphDetox NeckInstrument Work? Ultrasonic waves have the ability to penetrate the fat layer of your skin, liquefying targeted fat cells. The device emits low-frequency sound waves with a frequency between 3 and 60 Hz, protecting blood vessels and other body parts while promoting fat reduction. 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.
