**Upgraded 1908 Bristles for Superior Cleaning** The latest generation features 1908 ultra-fine bristles (vs. 768 in Gen 3) and an added brush head for enhanced plaque removal and gum massage. **4 Smart Modes for Customized Care** - **Powerful Mode**: Deep cleaning for stubborn debris - **Moderate Mode**: Gentle yet effective daily brushing - **Gum Massage**: Stimulates circulation for healthier gums - **Blue Light Whitening**: Hands-free teeth brightening **Revolutionary U-Shaped Design** Simply bite the sonic brush head and let 360 Degree vibrations clean all tooth surfaces simultaneously. Perfect for multitasking - brush while applying makeup or getting dressed. **Key Benefits:** ✔ 3X more bristles than previous generation ✔ Waterproof & travel-friendly ✔ Includes: 1 U-shaped electric toothbrush Upgrade your oral care routine with this time-saving, dentist-inspired electric toothbrush.