I don't know why it took so long. Maybe I missed an earlier iteration. Anyway, Think Geek has a TNG bluetooth badge that works with your smartphone. Available in Nov. Just for geeks though.
http://www.thinkgeek.com/product/jmgi/?cpg=tw#tabs
Some data:
-Plays classic communicator chirp sound effect when you press it
-Connects to your phone or device via Bluetooth®
-Built-in microphone for hands-free calling
-High quality micro-speakers by Massive Audio
-Once connected, one touch answers/ends calls, plays/pauses audio, or accesses Siri, Google Now, or Cortana