【Deeply Clean Teeth, Whiten Teeth and Improve Gum Health】With upgraded unique pulsation technique, Nicwell water dental flosser can offer high pressure water pulse 1400-1800 times/min, 30-110PSI strong water pressure to remove oral hidden deep, massage the gum effectively and promoting blood circulation. Also helpful for bleeding gums, bad breath, benefitful for orthodontic brace and bridge care.【Nicwell Water Dental Flossers Perfessional Customer Service】12 months after-sale service and friendly customer service such as within 24Hrs respone E-mail support for troubleshooting, telepohone customer service. Nicwell manufactured under strict quality standards to give our customers best experience. It's the best gift for friends, birthday gift and so on.【4 Flossing Model to Suit All Different Conditions of Teeth and Gums】Clean- With 1800 times/minute strong water pulses to remove smaller particles between tooth. Soft - Offers gentle 1400 times/minute pressure to clean sensitive teeth. Massage - With 1400~1800 times/minute to deep clean your teeth and stimulate and massage the gums. Please choose soft mode when you use dental flosser at the first time.【Carry on Size】Cordless and lightweight, this water teeth cleaner picks is ideal for travel, 5 interchangeable jet tips included for your whole family. The 360°rotatable nozzle allows you to easily clean areas that are difficult to reach and prevents tooth decay,dental plaque,dental calculus,gingival bleeding and dental【Powerful Battery Life with USB Cable Charged for Travel & IPX7 Waterproof】With powerful and environmental lithium battery, fully charged need 4 hours and used continuously for about 21 days. Come with USB Cable, (Adapter Not Included), applicable to a variety of charging equipements such as power bank, computer, laptop.... With double-sealing rings, Nicwell oral irrigator prevent water leakage reliably, can use for shower in the bathroom and it's washable to clean.