It has 8 vibration modes and 8 speeds. It tightens the waist and produces 100Hz of high frequency mechanical wave in every direction. Four pieces of permanent magnet release healthy super magnetic waves and quickly permeate from the surface to inside of the body. It makes the fat link quickly break into glycerin, water, and carbon dioxide and exudates them out of body with sweat and discharge thermal energy. Features: 8 vibration mode, 8 vibration speeds Distinctive brand-new LCD display. Highly effective fat-reducing at the belly and waist All physical process. Safe and no side effects.