Portable Water Dental Flosser adopts excellent design to meet your needs for a variety of uses. Stick to use, show confident smile. Our portable water dental flosser and electric toothbrush are small in size and are easy to carry at any time. Suitable for use at home, in the office, or during travel. NOTES: 1.Before first use, please read the user manual carefully and follow all instructions to ensure safe and proper operation. 2.Only use the included USB‑C charging cable and a standard 5V/1A charger to charge the device. Do not use the product while charging. 3.Keep the product and charging port dry. Do not submerge the device in water or expose it to moisture during charging. 4.Do not operate the unit if the device or accessories are damaged. Stop use immediately if any part is cracked or malfunctioning. 5.Children should not use this product unattended. Always have adult supervision when children are using the device. 6.Keep out of reach of children and pets to prevent accidental injury or damage. 7.Use the appropriate brush head or jet tip for your intended cleaning purpose. Replace brush heads every 3 months, or sooner if worn. 8.Adjust modes and water pressure gradually when using as a flosser to avoid discomfort. 9.Do not point the water jet directly at your eyes or ears. Use the flosser nozzle gently along your gum line. 10.Store the device in a cool, dry place when not in use. Avoid exposure to direct sunlight or high temperatures.