A:AnswerAnything goes. You can add 'camera' which would cost almost 200$, you can change your wrist band if you don't like the one that comes with... Google it before you buy.
A:AnswerThe pin shows up on you phone and watch to verify the connection between them. You need to download the Wear app from the play store to link the watch to your phone.
A:AnswerWorks with my Samsung Note 5 should work with anything newer.
There's two types of watches one that works off wifi in your phone's internet connection in one that has its own mobile plan.
Not sure which one Verizon's is but I suspect it has a mobile plan
A:AnswerThe warranty is $60 but covers everything to accidental damage. But the only thing is if you clame the warranty and get a replacement you have to buy a whole new warranty for $60 for another 2 years.