Exclusive Micro Bubble Water Flow Tech: Nicefeel water dental flosser uses ultrasonic generates micro bubbles to effectively flush the tooth surface, but it is not painful. The high-pressure, pulsing water jet cleans between teeth and below the gumline, removing up to 99.9% food buildup effectively. 3 Pressure Settings & 5 Functional Tips to Meet Your Needs: The cordless water dental flosser offers 3 pressure settings and 5 tips with 360° rotating. This allows for a personalized flossing experience, whether a newer needs gentle cleaning, or seeking a deeper cleaning---a task where Nicefeel truly excels. NO.1 30-Min Full Fast-Charge Flosser: The water dental flosser pick offers next-level flexibility with its fast-charging, reducing charging time by 85% compared to other flossers. Fast charge up in just 30 min for a whopping 30 days of constant flossing. Please use a 20W adapter for fast charging. Upgraded 300ml Extra-Large Water Tank: With upgraded 300ml water reservoir and exclusive patent internal leakproof drainage design, Nicefeel water dental pick provides a more efficient, comfortable and uninterrupted oral dental flossing. No hassle to fill the water multiple times. Gentle 3-Second Gradual Pressure Build-Up: Unlike other electric flosser that start with strong pressure, ours gradually increases water pressure over 3 seconds, delivering a gentler, more comfortable, yet thorough and deep oral cleaning experience. IPX7 Waterproof & Ergonomic Grip Design: Our water dental pick features a wide, textured handle for a comfortable, non-slip grip, reducing hand strain during longer use. With the IPX7 waterproof, the water flosser is safe to use in the shower, offering added convenience for your daily oral care routine. USE THE SOFT PRESSURE WITH PULSE TO REMOVE TONSIL STONE GENTLY. Tonsil stones, or tonsillitis, are small, calcified masses that can form in the crevices of the tonsils. The water flow from the Nicefeel water dental flosser rechargeable helps dislodge these stones gently and effectively, providing relief from discomfort and bad breath associated with tonsil stones. Nicefeel portable water flosser with advanced oral pulse high pressure irrigation technology is a better option for a deeper cleaning between teeth and gingival crevices than traditional floss. Science accompanies your daily cleaning, that’s why we included a 2 minutes smart timing. The irrigator has 4 adjustable levels to increase your comfort during flossing. Package content: 1 main body, 1 charging cable, 1 adaptor, 4 pieces jet tips, 1 manual. Pressure mode: low, medium, high, pulse. Adapter: DC 5V 1A Pressure range: 30 -120psi Waterproof grade: IPX7 Battery: 1400mAh lithium battery