The merchant for this weight loss product says that the "Power Plate is one of the most unique fitness devices on the market today. Advanced Vibration Technology stimulates enhanced muscle strength and performance."
It produces a vibration through which energy is transferred to the body. This mechanical stimulus produces a stretch reflex which, depending on the frequency, results in rapid and intense muscle contractions 30-50 times per second." Basically all you have to do is stand there and let this contraption shake you skinny.