Plantronics Discovery 665 Bluetooth Headset review: Plantronics Discovery 665 Bluetooth Headset

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CNET Editors' Rating

3.5 stars Very good
Review Date:
Updated on:

The Good The Plantronics Discovery 665 comes with two charging options, a vibrate mode, and different earbud sizes, plus the charging pocket lights up whenever there's an incoming call. The Discovery 665 also has an improved digital sound processing technology called AudioIQ that improves audio quality.

The Bad The Plantronics Discovery 665 is not a notable upgrade from its predecessor, the 655. It has fewer charging options, and it still retains the two small volume buttons.

The Bottom Line The Plantronics Discovery 665 is a great little Bluetooth headset with amazing sound quality. But due to its lack of charging options, you shouldn't feel pressured to upgrade from the 655.

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You wouldn't be far off base if you thought the Plantronics Discovery 665 was an update from the Discovery 655 Bluetooth headset, as it looks and feels very much like its predecessor. It even comes with a similar-looking charging pocket and also comes in a silver and black finish. However, though the Discovery 665 has improved audio quality, we can't recommend it over the 655 due to its lack of charging options. The Discovery 665 will retail for $149.99.

The Discovery 665 is slimmer and more tapered than its predecessor at 0.4x0.5x2.0 inches (the 655 measures 0.6x0.5x2.0 inches), and it weighs less than 0.3 ounce. Even though it also comes in a silver and black finish, the color scheme is reversed when compared to the Discovery 655. Everything else about the Discovery 665 headset remains the same: three different rubberized ear gel pieces for your comfort, an optional flexible ear hook for more security, a simple square multifunction button on the front, as well as two tiny rubberized buttons for the volume controls underneath. As with the 655, we weren't too fond of the tiny buttons. Though they are raised from the surface of the headset, they still proved a bit tricky to press when the headset was worn on our ear.

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Where to Buy See all prices

Plantronics Discovery 665 Bluetooth Headset

Part Number: Discovery 665
Low Price: $65.00 See all prices

Quick Specifications See All

  • Weight 0.3 oz
  • Sound Output Mode mono
  • Additional Features AudioIQ
  • Type headset
  • Headphones Form Factor convertible