Cordless Water Flosser Dental Oral Irrigator Travel Teeth Cleaner Floss Pick NEW

How to use custom setting? 1. Press the "On / Off button at first, then press the custom mode button with 3s (do not release), the LED light will flash. 2. The water pressure increased one level (level 1-8) with each press, when you release the mode button How to clean the water tank of the water pick? This water dental flosser is easier to remove the tank and clean than other model, I would advise clean the tank by fine brush directly Can I use it in the shower? Yes,it is IPX7 waterproof designed so you can use it in the shower. Does the battery long lasting? The device comes with powerful and environmental battery, fully charged need 4 hours and used continuously for about 30 days. Does the package include a charging adapter? No adapter, But it doesn't matter. It comes with a USB cable, applicable to a variety of charging equipements such as power bank, computer, laptop... charging is very convenient.