CERTIFIED SAFETY & LONG-LASTING DURABILITY: Keosaa ALB-927 has gone through multiple certifications such as Intertek, FDA, FCC, ETL, GS, ISO, RoHS, CE, EMC, IEC 60529, Energy Star, etc. as well as 3,000 factory self-tests to ensure the compliance and reliability of the product. Advanced Sonic Technology: Experience thorough cleaning and improved oral health with the Keosaa Sonic Electric Toothbrush, featuring 3D end-rounded bristles for a gentle yet effective brushing experience. Suitable for ages 6 and up. Long-Lasting Battery Life: With a single 4-hour charge, enjoy up to 60 days of regular use (2 minutes, twice a day). The toothbrush features a convenient charging indicator light, ensuring you always know when it's time to recharge. Personalized Cleaning Modes: Tailor your brushing experience with 2 modes - Clean for regular daily cleaning and White for removing surface stains and brightening your teeth. Smart Features for Enhanced Brushing: Automatic memory function remembers your last used mode for convenience. A 2-minute timer with 30-second intervals helps ensure even and thorough cleaning in all quadrants of your mouth. Equipped with 8 Original Brush Heads: Can be used for 2 years, so you don't have to worry about buying expensive replacement brushes. The Keosaa Sonic Electric Toothbrush ALB-927 is your gateway to a healthier smile and improved oral hygiene. Equipped with high-frequency sonic technology, this toothbrush delivers up to 40,000 strokes per minute, effectively removing plaque and stains without damaging your gums or enamel.