The Oral-B Pro 2500X Rechargeable Toothbrush Provides A Clinically Proven Superior Clean Vs. A Regular Manual Toothbrush. The Professionally Inspired Design Of The Deep Clean Brush Head Surrounds Each Tooth With Bristles Angled At 16 Degrees, And 3D Cleaning Action Oscillates, Rotates, And Pulsates To Break Up And Remove Up To 100% More Plaque Along The Gumline Than A Regular Manual Toothbrush. The Visible Pressure Sensor Turns Red If You Brush Too Hard To Prevent Harmful Over-Brushing And There Are 3 Brushing Modes To Help Personalise Your Clean (Daily Clean, Sensitive, Whitening). There Is Also An In-Handle Timer To Help You Brush For A Dentist-Recommended 2 Minutes. Best Of All, It Is Brought To You By Oral-B-The #1 Brand Most Used By Dentists Worldwide.*based On Surveys Of A Representative Worldwide Sample Of Dentists Carried Out For P&g Regularly.2 Min Timer: Pulses Every 30 To Help You Brush All Four Quadrants Of Your Mouth3 Personalised Brushing Modes: Daily Clean, Sensitive, Whitening360 Visible Pressure Sensor Turns Red When Brushing Too Hard To Protect Gumsx-Shaped Bristles Lift, Trap, & Remove Plaque For A Better Clean^^vs Regular Bristles3D Cleaning Action: Oscillates, Rotates, And Pulsates For An Advanced Cleanbattery Life Indicator: Signals When It's Time To Charge. Lithium Ion Battery: Longer Lasting Battery Life**vs Nimh Battery.