4 Modes to Use:
Silent Mode: Do not play the translation sound, only display the translation results
Earphone Mode: Speak to the phone and listen to the translation through the earphonee
Speaker Mode: Press the earphone to speak, release to end recording and play the translated audio from the phone
Binaural Mode: One person wears one earbud and speaks into it, while the translation is played through the earbuds.