1.      Oscillating for massage, two vibrate wheels designed to make slimming obviously. 2.      With two auto mode (automatically run a speed cycle from level 1 to level 5) 3.      With a manual mode (speed and intensity available from level 1 to level 5 for selection) 4.      With Rotating direction mode (clockwise motion or counterclockwise motion) but only valid in manual mode.5     With 5, 8,10, 12 minutes auto off function.