JTF SONIC ELECTRIC TOOTHBRUSH FOR ADULT, YOUTH AND TEEN. An incredibly powerful 40,000 VPM Maglev motor delivers a complete and thorough clean, makes felt like you just came from the dentist - more than just cleaning your teeth. Use Refresh mode at the end of brushing to dissolve surface stains. Use the Massage mode to deliver gently stimulates into the gum tissue to improve circulation and tissue function.