Title: Beware !
Review: 1. This is NOT a noise cancelling headset : it has just a noise cancelling microphone so this only works in filtering your voice (I can't really see the point...), NOT the surrounding environment (like airplane buzz or aircon in the office). 2. It only has a USB plug, no hifi-jack so forget using it with an MP3 or CD player. 3. The CD-Rom with the Plantronics software was defective. 4. Plantronics customer's support is difficult to access and poor. The FAQ's on their site are uselesss (try to figure out if the DSP 400 has a Noise Cancelling function, good luck ...) If you want a Noise Cancelling, try the Maxell NoiseBuster (probably the best deal 40$) or the Koss QuietZone 2000 (better but is it worth 140$ vs. the Maxell ?). Taipan92
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