it has 3 vibration modes: clean, white and clean&white. Power on and off little strange:hold the button 2-3 sec and then works.During charging pulsing green led, after charging permanent green led.The brush holder is not made of metal.

it has 3 vibration modes: clean, white and clean&white. Power on and off little strange:hold the button 2-3 sec and then works.During charging pulsing green led, after charging permanent green led.The brush holder is not made of metal.

it has 3 vibration modes: clean, white and clean&white. Power on and off little strange:hold the button 2-3 sec and then works.During charging pulsing green led, after charging permanent green led.The brush holder is not made of metal.