Features:* Focus on your neck, back, waist, shoulders, feet and legs to help you relax.* It can effectively relieve pain caused by lactic acid accumulation after exercise, relieve sedentary and long-term muscle discomfort, and improve blood circulation.* Four different interchangeable massage heads for different areas to meet your massage needs.* Ergonomically designed grips minimize external-vibrations, relax your body and give you a comfortable massage experience.* Built-in large-capacity-battery, lasts for a long time.* Wide application, can be used in offices, homes, gyms, travel, etc.* Low noise, comfortable to use.* Twenty speed adjustment, high frequency.* LCD display, intelligent touching button.