A:AnswerAnything with Bluetooth (although I don't know whether it requires Bt 5 or whether your Android has it).
You can also buy the $35 Apple cable and use a wired connection.
A:AnswerThere is lots of reasons a company would have this. Too many to count, but as an example: The company can have damaged boxes in shipments. They will mark entire cases to be sent off to be inspected/refurbished. They are often fine with some packaging scuffs. But they cant sell them as new anymore. So they are sold as refurbs.