In most noisy contexts, a throat microphone should work [1]. A small Bluetooth one could also connect to its small earpiece(s) to make a wearable speech interfa

In most noisy contexts, a throat microphone should work [1]. A small Bluetooth one could also connect to its small earpiece(s) to make a wearable speech interface whose bigger battery could be concealed in the mic and last much longer than usual earbuds. [1]: https://en.wikipedia.org/wiki/Throat_microphone https://en.wikipedia.org/wiki/Throat_microphone