Reviews and Problems with Plantronics Discovery 640
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Plantronics Discovery 640 Bluetooth Headset
9 April 2006
Excerpt: For years, Bluetooth headset manufacturers have been innovating by trying different ear mounting systems, getting better sound, making them smaller/lighter, or adding other features like caller ID. You can’t see an LCD display when it’s hanging on your ear! Anyway, the Plantronics Discovery 640 actually takes a different approach to innovation and makes their high-end headset easier to use, easier to recharge, and easier to carry while retaining the other important...