Enjoy healthier gums in 4 weeks with Colgate Whitening 500R Dual Mode Electric Toothbrush. Get your hands on the combo pack that includes a 500R Dual Mode Whitening Electric Toothbrush and a pack of 4 refills that easily fits any Colgate ProClinical smart brush. This must-have combo pack comes at a discounted offer price too. Colgate Proclinical 500R Whitening Electric Rechargeable Toothbrush is the one-stop solution for whiter teeth. With sonic technology, the toothbrush provides dual brushing modes: Daily Clean, which provides 30,000 strokes per minute, and Gentle Clean, which provides 20,000 strokes per minute. The replaceable head of this toothbrush can be easily changed every 3 months and fits any Colgate pro clinical toothbrush. This toothbrush comes with an in-built 2-minute timer featuring a quadrant pacer that switches off when you reach the mark. Get dentist-like whitening from day one with Colgate Proclinical 500R Whitening Electric Rechargeable Toothbrush.