Get Upto $30 Discount On Philips Toothbrush At Bestbuy.com. This Philips Sonicare 2 Series electric toothbrush provides thorough cleaning for the teeth and gums with up to 31,000 strokes per minute for dynamic fluid action between teeth. The easy-start gradually increases power over the first 14 uses. The sonic technology offers up to 31,000 strokes per minute for thorough cleaning with dynamic fluid action between teeth every time one brush. It increases power gradually over the first 14 uses to help one ease into owning an electric toothbrush. The smartimer helps one brush 2 minutes at a time for healthy dental hygiene.