Title: Not for laptops
Review: The microphone is incredibly sensitive to electrical noise from laptop power supplies or powered USB hubs, causing a very obtrusive hum when used with applications such as Skype. As a result this Plantronics model can be used on laptops only when running on battery power. Since that's not practical, I am now the proud owner of a stylish $40 paperweight.It would have been easy for Plantronics to include a low-frequency rolloff around 120 Hz which would filter out the hum, but leave voice signals unchanged. (Unless you're singing a bass part....)It's a pity, really, because otherwise the sound quality is quite good.
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