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Title: Poor Performance
Review: I used this item with Sony Ericsson T637. While it was comfortable to wear, I could not hear the caller's voice due to the static, and I am holding the phone in my hand so I know it's not the distance that was a problem. I tried several calls at different locations, but the performance remained very poor. I really can't recommend this product - I now bought Motrola HS810, and it works PERFECTLY.
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