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Plantronics Discovery 640

Mon Jan 23, 2006 - 11:27 AM EST - By Douglas Morse


An excellent, lightweight headset with a lot power options, nice form factor, and a slick case that could be better. The 640 is usable with many phonesÂ’ AC adapters and even an AAA battery, which you can buy anywhere. The sound quality is solid, though not exceptional. It rates it an excellent value in my book.

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Design 5
Usability 5
Sound Quality 4
Cost/Benefit 5
(not an average)
  • Super-lightweight
  • Great charging options
  • Three sizes of earpieces
  • Cons
  • Case needs some re-thinking
  • Sound quality just okay

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    Product Info
    > Name Plantronics Discovery 640 Headset
    > Company Plantronics
    > Weight 1 oz.
    > Talk time 15 hrs
    > Standby time 70 hrs
    > Fact Sheet & User Opinions
    > Available
    > $79.95

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