Plantronics Discovery 640 review: Plantronics Discovery 640

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CNET Editors' Rating

4 stars Excellent
Review Date:
Updated on:

The Good Great audio quality; multiple charging options; compact design; secure fit.

The Bad Uncomfortable ear hook; smallish controls; not compatible with all phone chargers.

The Bottom Line The Plantronics Discovery 640 is a well-performing Bluetooth headset that offers first-class usability.

CNET Editors' Choice Sep '05

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Plantronics Discovery 640 Bluetooth headset

Though Bluetooth headsets come in a variety of shapes and sizes, the Plantronics Discovery 640 Bluetooth headset stands apart as one of the most unusual models we've seen. The box contains much more than a headset and a charger; you'll also find a series of silver tubes that appear to snap together in some fashion. The purpose of these pieces may be perplexing at first, but rest assured they all serve a very practical and ingenious function. The headset is pricey at $149, but it's well worth that amount.

The cylinder-shaped headset itself is relatively small, measuring just 2 inches long and weighing 0.3 ounce. The compact size and the absence of a boom mic make for a subtle style, and we liked the simple silver-and-black color scheme. Like the Tekkeon EzTalker Mini , the Discovery 640 fits directly in either ear via a rubberized ear gel and can be worn with or without the ear hook. The headset slips on and off with ease, and you get three sizes of ear gels, so you should get a comfortable and secure fit in almost any ear. In fact, the fit was so secure that we preferred not using the stiff, uncomfortable ear hook at all.

Controls on the Discovery 640 consist of a volume rocker/mute button and a call-control button, which you use to place and end calls, power the headset on, and ready it for pairing. Though rather small due to the headset's size, the controls were easy to find and manipulate during a call. The Discovery 640 also has a ring-shaped LED light that flashes during charging and when the headset is in use.

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Where to Buy

Plantronics Discovery 640

Part Number: 68400-01

MSRP: $149.95

See manufacturer website for availability.

Quick Specifications See All

  • Weight 0.4 oz
  • Additional Features mute button
    volume control
  • Type headset
  • Headphones Form Factor ear-bud