Greenvida Cordless & Rechargeable Portable Water Flosser / Water Pick / Oral Irrigator with 3 Operating Modes Greenvida is more effective to protect your teeth and gum health everyday! It can clean deep between teeth and below the gumline, removing harmful bacteria and debris which traditional brushing and flossing can't reach. Multiple intelligent design brings you the unprecedented experience - 3 operating modes. Normal, Soft and Pulse modes selectable for different oral care needs. Pulse mode provide water pressure 40-120psi to massages the gums to improve oral health. - 2 minutes auto shut-off timer. You would never worry about running out of water but forget to turn the device off. Greenvida could protect the battery by automatically turn off if it keep working over two minutes. - Low noise design. Less than 75dB without disturbing noise. It's perfect for use in smaller bathrooms or for travel. You don't have to use water flosser before your family all sleep.Impressive practicability performance - Build-in 1400mAh Li-ion rechargeable batteries, once fully charge within 8h and it's available for 2 weeks' using. - Greenvida is rechargeable & worldwide universal, the universal operating voltage from 100V to 240V. It's extremely convenient to handle with the special USB cable. The USB cable could connect 5V power adaptor & power bank. The special USB cable and charger adaptor are included. - It is IPX7 waterproof that you would no longer worry about using it in your bathroom. But it's important to note that the water flosser device can not soak in water.Package Included 1 X Cordless Water Flosser 4 X Relacement Nozzles 1 X USB Cable 1 X Instruction Book 1 X 5V Adaptor 1 X Woven Bag