1.Sonic Wave: 31,000 to 48,000 powerful sonic strokes per minute offeres you complete month care. 2.5 Brush Modes: Clean, White, Polish, Massage, Sensitive 3.Auto-Timer: Pause every 30 seconds, 2 minutes a cycle. 4.Battery: Full charge lasts for up to 6 weeks of regular brushing. 5.Power Volume: Power Volume Indicator
