Combining leading technology with patented design features, our dentist-recommended Pro Sonic rechargeable sonic toothbrush is the best sonic toothbrush you’ll ever own! Weighing in at a mere 2.4 ounces, don't let the weight fool you. Our advanced Pro Sonic toothbrush is 25% more powerful than the leading brands and our battery is super energy-efficient holding a charge for over 12 weeks! 2 brushing modes: 40,000 Vibrations per minute and 31,000 vibrations per minute. Dupont contoured nylon bristles for hard to reach areas. Programmed with a quadrant pacer and 2-minute timer. Programmed with a quadrant pacer and 2-minute timer. Advanced motor and battery for energy efficiency.