A:AnswerRefurbished can be from trade-ins which customers will bring in to upgrade to a new watch or get value for. The item will be checked at "geek squad" for "quality assurance."
A:AnswerMy watch had absolutely no scratches and appeared brand new. I do not know the battery capacity, but it lasts longer than the 18 hours stated in the description.
A:AnswerYou can use the native apps on the device such as heart rate tracking, time, exercise. The device will not make messages or phone calls without the phone near by. This is the difference between cellular and gps.