A:AnswerThis device is compatible with any android network that will download the app. I recommend trying to downloading the free app to check compatibility.
A:AnswerThe band has multiple holes so that it fits many wrist sizes. I put it on my daughter while we were playing and it fit her (She's only 4) I am 5 ft 9 and about 200lbs and I have quite a few holes to make it even bigger. So unless you have an exceptionally large wrist it should fit.