This small MVOX USB Speakerphone is great for Skyping or other applications such as Yahoo IM, AIM, MSN Messenger, Apple iChat, WebEx, NetMeeting, Vonage, and Net2Phone without an external power source.  With built-in echo cancellation, it’s small enough to fit in your pocket yet efficient enough to have a full-duplex sound that allows you to talk and hear at the same time. Compatible with both Window or Mac OS, the MVOX comes with earphones at a price of $17.99.

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