Bests & Worsts Reviews from Amazon

Read reviews on app reviews--1.7 stars. That should tell you not to waste you money. I doesn't work or at best works intermittently. Read the warranty. That will also tell you not to waste your money. The 1-year "warranty" doesn't include software, so when the mug doesn't heat because the app fails constantly, that's a software problem so you have no remedy. I wrote a review on Ember's site but they didn't post it I assume because it was negative (not surprising--their site shows 5 stars with all reviews being 5 except one with 4 stars--, but also not ethical if I'm right). I saw other reviews said the app is crap, but hoped it would be corrected by the time of my purchase. I keep having to re-download it, including the latest what they said would fix what they knew was a problem. It's no better. My mug is stuck on a low temp and the app won't change it on those occasions when I can get it to pair at all. It often can't find the mug even when right next to it. Even when I turn it off and back on. Then, the only way to get it to work is to re-pair the mug--a pain in any event, but you won't know you need to until it is full of hot beverage. I have a late version Samsung Note, so there should be no problem there (and I don't have any similar problem with any other app or bluetooth device). By the way, when it doesn't pair and a notice pops up to click to go to trouble shooting, it takes you to a general page where you can search articles--it's not what I'd call a trouble shooting page--totally unhelpful.