Feature:1. The strong pulsed water can completely up tooth stains, tartar and food residues in all parts of the oral cavity.2. The ultra fine water stream can the gingival sulcus and deep between the teeth without barriers, and improve the health of the gums.3. It can effectively remove most of the stubborn plaque on the tooth surface, and the effect is much better than traditional dental floss.4. Multiple nozzle are available for use, with different function, easy to replace and install, maintain refreshing breath and oral hygiene.5. Made of high quality material, safe and eco‑friendly, firm and wear‑resistant, sturdy and durable for use.How to Use:Short press the power button to turn on, the default mode is weak, and the corresponding indicator lights up. Long press for 2 seconds to switch the mode, the mode switches to the strong gear, and the indicator light also switches to the corresponding indicator light. Long press for 2 seconds to switch the mode to pulse mode, and at the same time the indicator light also switches to the corresponding indicator light, and cycle in turn. Short press the power button to shut down. The instrument will automatically shut down after 2 minutes of operation. When the battery of the instrument is charged, the three indicator lights