Ⅰ. Its powerful water pressure and pulsation can effectively remove plaque, debris and hard-to-reach areas such as between teeth and gum lines. This advanced flossing technology ensures thorough and comfortable cleaning and oral health. Ⅱ. The water flosser has improved the unique pulsation technology and powerful water pressure for whitening mouthwash. The high-pressure water pulse can effectively clean all the stuck areas that traditional dental floss cannot reach. Ⅲ. It uses a higher-capacity 800 mah lithium battery. It can be used continuously for 20-30 days after being fully charged for 4-5 hours. The compact and lightweight design makes it suitable for home or travel use, and comes with a USB cable (adapter not included) for easy charging. Ⅳ. This water flosser uses an upgraded 300ml water tank, which is twice as large as other older models. No need to add water frequently, making oral cleaning more convenient and effective. Ⅴ. Three modes that can be switched at will: Gentle mode: gentle water pressure, suitable for beginners and sensitive oral cavities; High pressure mode: high water pressure, effective cleaning, suitable for most people; Pulse mode: pulsating water pressure, can massage gums, buffering full body water washing.