Pursonic 40K SPM Sonic movement Rechargeable Electric Toothbrush With BONUS 12 Brush headsFeatures:31,000 powerful sonic strokes per minute,2 Minutes Auto-timer with 30 second interval alert system3 modes: High/clean, Soft/gentle, and Massage.Powerful plaque remover where normal bristles can't reach. Effectively removes plaque without irritating gums.Gentle on teeth and gums. Removes even tough stains leaving naturally whiter teeth 4.12 Brush heads included Color-coded brush heads.Docking/Charging station with Enclosed sanitary toothbrush head holder. Let families share the toothbrush base.