Etymotic etyBLU, Руководство пользователя

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Introduction
The Etymotic etyBlu™ headset contains two microphones.
One microphone is located at the end of the earpiece; the other,
a highly-directional, noise-rejecting microphone is located at the
tip of the boom.The combination of an in-ear noise-isolating
earphone and a directional microphone placed close to the
mouth provides exceptional sound quality and clear
communication at both ends of the conversation.The etyBlu
headset was developed by Etymotic Research for use in high
levels of background noise. The boom is detachable. Another
Etymotic first.
The etyBlu headset utilizes Bluetooth® 2.0 + EDR
extended data rate wireless technology.