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You can go back and listen to the parts you missed!

You can cache the audio up to 60 seconds ago and listen to it again by setting the number of seconds to go back with the slider or button.

The microphone can be switched between the main unit, wired, and Bluetooth (preferably one where the microphone part and headphone part can be separated).

When used together with the communication support/conversation visualization app ``UD Talk'', you can create an environment that makes it easy to correct recognition results.