【Your Own DIY Mode】Cordless flosser teeth cleaner is featured with customized DIY mode, allowing you to easily adjust to your most comfortable water pressure. Suitable for sensitive teeth , also helpful for bleeding gums, bad breath, beneficial for brace and bridge care. 【4 Jet Tips & 360°Rotation to Clean Teeth Deeply】This water flosser is equipped with 4 nozzles, can be used with your family. It also has a 360°rotating nozzle design, specially designed for periodontitis, braces, dental implant. Our portable oral irrigator prevents various oral health problems such as bad breath, tooth decay, bleeding gums and yellow teeth. 【Detachable Smart Water Tank & IPX7 Waterproof】Large 180ml water tank provides sufficient water for teeth cleaning without interruption of water addition. You can also add water by the smart hole design, no need to remove the water tank. At the same time, the removable water tank can thoroughly clean the internal dirt. IPX7 Waterproof design prevents water leakage can be used in the bathroom shower. 【Large Capacity Battery Operated Flossers】The water teeth cleaner can be used continuously for 90 days after only 4 hours after a full charge. The USB plug is suitable for various charging devices, such as mobile power supplies, computers, laptops, water cordless flossers very convenient for home or travel.