Motorola ENDEAVOR HX1 Quick Start Manual page 3

congratulations
Talk hands free where you never have before on the MOTOROLA ENDEAVOR
HX1 headset thanks to Motorola's revolutionary CrystalTalk™ technology with
stealth mode, delivering an unmatched headset audio performance even in the
fiercest conditions.
First of all, reduce everyday background noise with the default CrystalTalk mode
which utilizes dual microphone noise cancellation technology.
Then, if background noise and wind reach extreme levels, switch on stealth
mode to activate true bone conduction and seal off all background noise from
your conversation so you know you're being heard. As you speak, the stealth
mode sensor captures your vocal vibrations and seamlessly converts them to
speech so the listener hears your voice only.
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