Uses sway massage technique With one motor to gain a powerful synchrony vibration massage effect Real and effective massage effect Can deeply give smooth massage on your waist, back, bottom and legs Designed with manual and auto operations Five optional functions in manual operation With handhold micro computer controller Easy and convenient operation promotes blood circulation Lessens muscle tiredness Accelerates digest Improves constipation Efficiently helpful to decrease the redundant fat of waist, leg, back and haunch Beautiful and healthy stature can be obtained