COSLUS Portable Water Flosser for Teeth 10 Pressure Settings Professional Water Dental Pick for Orthodontic Braces Sensitive Gums Cordless for Travel Use for Adults Teens BPA Free W40(WFP14) F5020E Water Flosser T40 Mini Water Flosser DY-108Pro Toothbrush C31 Kids Water Flosser E1 Plug-in water flosser C20 C41 Flosser Set C20 Couples Set The product details mention an upgraded patented stepless speed regulation. How does it different from other models? The new water dental flosser has a 1 to 10 rotary dial that can be easily changed How long does it last on a single charge? One charge lasts for 30 days, making it very convenient for travel and business trips. Where can I get replacement nozzles? You can find it on the product details page. When I bought the flosser before, I bought the nozzle by the way. It is very suitable and it is the original accessory. Is the charging adapter included in the package? Note: Adapter is not included to avoid wasting resources, but you can charge it using any 5V adapter on hand. If need, get from COSLUS Is its water pulse intensity adjustable for sensitive gums? This newly developed stepless speed regulation water dental flosser features 10 levels of smooth control, allowing you to freely adjust the pressure find the setting that suits you best. It's designed to be suitable for everyone. Advanced 10 Pressure Settings for Personalized Cleaning: This cordless and portable water flosser features 10 precise pressure levels, allowing users to easily adjust the water flow to match their unique oral sensitivity and cleaning preferences. Whether you have braces, orthodontic appliances, sensitive gums, or are buying for kids, teens, adults, women, men, or seniorsthis flosser is designed to suit everyone in the family. The innovative stepless dial control works just like adjusting your phones volume, enabling smooth, one-handed pressure changes from level 1 to 10. Fine-tune the water pressure in real time without pausing your routine, for a truly comfortable cleaning experience Professional Research, Trusted Quality: Developed over six years by the COSLUS professional research team and professionally certified by a team of U.S. dental experts, this product utilizes the latest patented dual-flow technology to deliver enhanced cleaning power and broader coverage. It effectively removes up to three times more dental stains while meeting the needs of most users. The entire device is constructed with BPA-free safety-certified materials, delivering a truly scientific, safe, and long-lasting oral care experience Ideal For Travel: This cordless water flosser features a compact, portable design, making it ideal for daily home use, office work, travel, and business trips. Equipped with a high-performance battery, a single charge provides up to 30 days of continuous use (based on 1-2 daily uses). The included USB fast-charging port ensures effortless maintenance of oral health routines both at home and on the go Customizable Nozzle System: Comes with a variety of functional nozzlesincluding standard, orthodontic, and periodontal tipsto meet the needs of different users. Whether you wear braces, have sensitive gums, or seek deep cleaning, youll enjoy a targeted and comfortable oral care experience. Equipped with a 300ML large-capacity water tank, which allows for longer use without frequent refilling, making it more suitable for thorough, full-mouth cleaning and an efficient flossing experience. Supports multi-user sharing, making it especially ideal for family use and daily oral care routines Ipx7 Waterproof Long-Lasting Durability: Our portable water flossers for teeth feature an IPX7 waterproof design, making them convenient to use even in the shower. The upgraded motor delivers reliable, efficient, and steady water flow, ensuring effective removal of 3x more surface stains than traditional flossers. With a lifespan twice as long as other products, it effortlessly handles daily use and routine cleaning, ensuring a more comfortable user experience Note: Adapter is not included to avoid wasting resources, but you can charge it using any 5V adapter on hand. If need, get from COSLUS. NOTES: Packaging may vary (new or old), but the contents are exactly the same