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Title: Do not use with a cell phone!
Review: This is not a state of the art headset. There are numerous problems with both the unit and the company. The boom phones are made with weak wires and plugs do not fit well. An adapter is need to hook up to most cell phones which creates a third wire. Their phones create a terrible feedback even when they are connected properly. Their microphones are truly excellent as long as you are not moving to disturb the connection. After numerous tests with different phones they at times create an echo effect for the person you are trying to speak with. The adapter method they use is ill conceived in that they are meant to work (with extra cost connectors) with all phones yet there is a problem inherent with any cell phone use. These headsets should be for desk use only and constructed as such. Their advertising is misleading. Light weight should be an excuse to sacrifice dependability.
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