On Sun, 09 Feb 2014 12:27:12 +0000, Danny D'Amico wrote:

I like the flip-boom earpieces that Motorola sells (because they're
trivially easy to shut off and turn on); but unfortunately, my H730
doesn't appear to have A2DP.

I don't think Motorola makes a flip boom a2dp ear piece.
You'll have to try Plantronics.