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 brighteningRevolutionary 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 and travel-friendly Includes: 1 U-shaped electric toothbrushUpgrade your oral care routine with this time-saving, dentist-inspired electric toothbrush.