Whiter teeth. Gently does it. Whitens teeth in just 1 week. Feel the difference of a gentle clean with our Pressure Sensor while whitening your teeth in 1 week. Click On The W2 Optimal White Brush Head To Remove Surface Stains And Reveal A Whiter Smile. With Its Densely Packed Central Stain removal Bristles. Brush sync Replacement Reminder Tracks How Long You've, Been Using Your Brush Head For, And How Hard, You've Been Brushing So When It's Time To, Replace It. Safe & Gentle On Sensitive Areas, Orthodontics & Dental Work. A Light On Your Handle And A Short, Beep Will Let You Know. It's Clinically Proven To Whiten Teeth In Just One Week. Let You Know When You're Pressing Too Hard The Toothbrush Will, Make A Pulsing Sound As A Reminder To Ease Off, On The Pressure. Philips Sonicare's Advanced Sonic Technology Pulses Water Between Teeth, And Its Brush Strokes Break Up Plaque And Sweep It Away For An Exceptional Daily Clean.