Oclean X Ultra 20 WiFi Smart Sonic Electric Toothbrush Experience Visible Brushing with AI Voice Guidance Oclean X Ultra 20 is the new generation of the X Ultra series in 2025. It offers real-time AI voice guidance via bone conduction technology to protect your gums and promote better brushing habits. Compared to the previous X Ultra, the X Ultra 20 features more precise tracking of 12 brushing areas and is equipped with the Oclean 4.0 maglev motor, capable of up to 84,000 movements per minute. Combined with the TurboClean system and 40° super-wide oscillation technology, it delivers a complete, fast, and efficient cleaning experience. ·AI Voice Guidance - With an AI system and Oral bone conduction tech, the X Ultra collects and navigates your brushing in real-time to protect gums and improve a better brushing habits. And the over pressure reminder helps to prevent brushing too hard. ·Precise Brushing Tracking & Instant Feedback - Get instant feedback on your brushing performance, including missed areas and brushing score, across 12 brushing areas displayed on the smart touchscreen of the toothbrush. Personalized brushing reports with AI expert interpretation in Oclean Care+ App offer a more tailored and professional brushing experience. ·Brand-new Maglev 4.0 Motor - The Oclean Maglev 4.0 motor incorporates innovative 40° super-wide oscillation technology in the Unlimited Mode. With up to 84,000 movements/min and the TurboClean system, it ensures a complete, fast, and efficient cleaning experience, regardless of battery level. ·Advanced Brush Head - Featuring 3 types of Ultra brush heads with FlexFit tech, they offer the best in motion fitting for the optimal interdental clean and the shock-absorbing rubber coating for the best teeth protection. Guarantee gentle deep cleaning for a uniquely clean feeling. ·Long Battery Life - A 4.5 hours charge lasts up to 40 days of battery life (validated by a 2-min brushing period, twice a day using the 3rd. level intensity in Unlimited Clean mode). And the low battery reminder shows when the battery is running low. Other selling points: 5 Distinctive Brushing Modes / Over Pressure Light / Work with Apple Health & Weatherkit / Festival Greetings / Mold-Resistant Nano Coating / IPX7 Waterproof