Bests & Worsts Reviews from Amazon

I have been using this unit for over 5 weeks. Pros: The unit is very well made, excellent materials, perfect fit & finish of its components. It's cordless and rechargeable from any USB source. I charge it from my laptop. Excellent for travel, as it's *rather* compact and you don't have to carry around a transformer or plug adapter. It also comes with a dual voltage plug/transformer with a female USB output, but I have not needed it. The USB cord is separate (not attached to the charging plug), so you can plug the unit into any USB source. Runs about 2 weeks on a single charge! Very impressive battery life. This thing would make an awesome, high-powered squirt gun. Cons: The USB charging cord is specific to this unit, i.e. the end that plugs into the unit is not a standard USB Mini or USB Micro tip. The cord plugs into a two-prong male receptacle, and that receptacle comes with a silicon plug to keep it dry. Considering the careful design of this unit, I would guess that a standard USB Mini- or Micro plug could not be kept sufficiently dry. The water reservoir is only large enough to floss 1/2 of your teeth, so you have to refill it mid-flossing to complete the job. The unit is feels bulky in your hand (in spite of its contours) and tricky to maneuver, especially the tongue-side of the bottom teeth: When the reservoir is any less than 1/2 full, the unit must remain fairly vertical, or the water pickup tube just sucks air. So, you have to hold the unit vertically and maneuver your head and mouth around the nozzle! This is tricky to learn, but sort of second nature to me now. It's not as powerful as my water flosser at home (Waterpick). I wish the higher power setting were really strong. It seems to get the job done, but I would like a stronger jet. Also, you'd better memorize where the on/off button is, cause you have to turn it off while it's still in your mouth, or you will shoot water all over your bathroom! Trust me on this. :-/ All things considered, this could still be the best cordless water irrigator out there. (Reviews of the Philips Sonicare Airfloss, which I had high hopes for because of its ultra-slim design, are generally poor.)