Accuracy, ease of use, readability, and possibly more features - such as pass-through. There's umpteen billion choices, but most any will do. The phone works in a pinch, but dedicated is better. The phone's speaker may not be quite accurate - but will do.
Accuracy, ease of use, readability, and possibly more features - such as pass-through. There's umpteen billion choices, but most any will do. The phone works in a pinch, but dedicated is better. The phone's speaker may not be quite accurate - but will do.
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