Greenvida Electric Power Rechargeable ADVANCED SONIC WAVE TECH - Featuring high vibration frequency up to 40,000 strokes per minute, this Electric Power Rechargeable Battery Toothbrush removes stains thoroughly from every tooth nook and cranny.Fresh Breath every day! DESIGNED FOR HAVING A GORGEOUS SMILE - A perfect blend of IPX7 waterproof handle and ergonomic streamline design allows users to brush in the shower with a comfy grip. Contoured DuPont bristles give the whole mouth a full clean.3 Replaceable Brush heads make it Easier and Healthier for your daily oral care. 3 MODES OF CLEAN, WHITEN, MASSAGE - Coming with 3 impressive cleaning modes, this Electric Toothbrush caters to a variety of dental conditions and takes your brush ritual to the next level. SMART TIMER CONTRIBUTES TO AN IMPROVED BRUSHING HABIT - This sonic toothbrush comes with 2-min automatic timer and 30 seconds interval pause that reminds users to move to next quadrant.Help you develope a healthier brushing habit everyday! TRUSTWORTHY BRAND - Replace the brush head every 3 months and sanitize the bristles after each use to maintain good oral hygiene. We offer a 1-year warranty and 24-hour after-sale service, please contact us if any quality issue.