The standard of purity. Advanced sonic technology. Affordable price. Color-wear bristles. Removes up to 95% of plaque (In hard-to-reach places. Data on file.). Dynamic fluid action cleans between teeth. Up to 16,000 micro-sweeps per minute for a deep clean. 1 rechargeable toothbrush & base. Replaceable head & rechargeable batteries. Color-wear bristles - Reminds you to change your brush head every 3 months (or when blue bristles fade). Angled for hard-to-reach places. Multi-level plaque removers. Blue color-wear bristles. Advanced sonic brush head design. Sonic Technology: Creates dynamic fluid action to push water and toothpaste in between teeth for clinically proven cleaning in hard-to-reach places. Micro-Sweeping Technology: 16,000 precision micro-sweeps per minute. Helps clean your teeth and promotes healthy gums. Multi-Angle & Multi-Level Bristles: Helps reach all the surface areas of your teeth. Ergonomic Handle: Easy grip and control. Sustained Charge: Lasts for 5 days after fully charged (assumes brushing 2X per day, 2 minutes per brushing). Brush head features color-wear bristles signaling to replace brush when blue bristles fade. Experience the Sonic Difference: Two-minute timer with quadrant technology - Lights and pulses every 30 seconds to indicate when to move brush to next quadrant of mouth. Pulsating signal occurs at the end of two minute dentist recommended brushing time. Recharge base/charge indicator - No replacement of battery needed. Replaceable head - Replace every three months. Max Gentle: Two-speed button - Choose your setting - maximum clean or gentle massage. www.spinbrush.com. Brush head made in Switzerland. Brush handle made in China. Charger base made in China.