Sonic whitening electric toothbrushes has 5 brushing modes (Clean, Soft, Strong, White and Polish) and 3 intensities (Gentle, Medium and Strong) for each mode to choose. You could choose the mode and strength to meet your different needs.
Proalpha electric toothbrush comes with the power of 40,000 VPM high vibration(80,000 VPM each circle). It can clean 10x more plaque than manual toothbrush and helps to reach to deep cleaning effectively.
Reminder bristles will fade in color to remind you to replace the brush head. Dentists suggest that electric toothbrush head should be replace each 3 months. Proalpha offers 4 brush heads replacement which could used for a year.
Bult in 2-Min smart timer helps you to develop a good brushing habbit. Interval pausing each 30s reminds you to change the brushing area. Safer and easier USB fast charging only needs 4 hours to charged and lasts 30 days.