Nettoyeur de dents électrique à ultrasons, élimine les taches de tartre, la plaque dentaire, le tartre, les animaux domestiques, les outils de blanchiment des dents

Attentions: 1. Please charge it before use (It can't be used while it's charging); 2. Install the tip and tighten it ; 3. Long press to turn on/off the device; 4. Choose a working mode; 5. The equipment preset 10 minutes automatic shutdown function to prevent overheating; 6. You need to unplug the charging cable before turn it on and use; 7. The device works when it touches a tough thing like teeth and metal things,if you use it on the skin or other soft thing,it will not work.