Dear?Valued Customers,Welcome to my shop. I am glad to meet you by qoo10. As we all know,healthy teeth are very important to people,so having a habit of cleaning them every day is essential. I have a bad toothache half a month ago that kept me awake all night. I felt?so?miserable?that?I?asked?my friend Jasson who is a?dentist for help. Then he recommended this Dental Water Jet to me.?I've been using it until now and it does help me. So I want to share it with you. Quick and Easy Just fill with water, point and press to power away plaque-causing debris. No batteries or cords Air Infusion Technology: air propels water to gently remove debris Ergonomic design and low-profile tip easily reach back teeth Perfect for keeping bRaces and other dental work clean Great for adults and kids I can tell you from my own?experience that this?Dental Water Jet does work well and help me a lot. I appreciate the advice that Jasson gave me. ?Now if you buy 2 of the item, you can get extra 1 for free. Thank you for your trust.