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| Price | $22.02 to $73.00 | $29.99 to $106.00 | $24.99 | $36.94 to $79.55 | $99.99 to $143.43 |
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| Release date | August 20, 2009 | ||||
| The Bottom Line | The Plantronics Discovery 655 has a great functional design that offers excellent performance. | The Plantronics Discovery 640 is a well-performing Bluetooth headset that offers first-class usability. | 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. | Despite its finicky controls, the Plantronics Discovery 975 is a stylish headset with a comfortable fit, a great feature set, and excellent call quality. | |
| Similar Products | Compare more products | Compare more products | Compare more products | Compare more products | Compare more products |
| Features | |||||
| Sound Output Mode | Info unavailable | Info unavailable | Info unavailable | Mono | Mono |
| Headphones Form Factor | Ear-bud | Ear-bud | Ear-bud | Convertible | In-ear ear-bud |
| Microphone Operation Mode | Mono | Mono | Mono | Mono | Mono |
| Connectivity Technology | Wireless - Bluetooth | Wireless - Bluetooth | Wireless - Bluetooth | Wireless - Bluetooth | Wireless - Bluetooth 2.1 |
| Headphones Type | Headphone - Monaural | Headphone - Monaural | Headphone - Monaural | Headphone - Monaural | Headphone - Monaural |
| Compatible Mobile Devices | Info unavailable | Info unavailable | Nokia 3650 Nokia 3660 Nokia 6230 Panasonic X70 Siemens S55 Sony Ericsson K700i | Info unavailable | Universal |
| Product Type | Headset - Wireless - Bluetooth | Headset - Wireless - Bluetooth | Headset - Wireless - Bluetooth | Headset - Wireless - Bluetooth | Headset - Wireless - Bluetooth 2.1 |
| Microphone | Built-in | Built-in | Built-in | Built-in | Built-in |
| Recommended Use | Cellular phone | Cellular phone | Cellular phone | Cellular phone | Cellular phone |
| Product Description | Plantronics Discovery 640E - Headset | Plantronics Discovery 655 - Headset | Plantronics Discovery 640 - Headset | Plantronics Discovery 665 - Headset | Plantronics Discovery 975 - Headset |
| Manufacturer Warranty | 1 year limited warranty | 1 year limited warranty | 1 year warranty | 1 year limited warranty | 1 year warranty |
| Remote Control | Info unavailable | None | Info unavailable | Info unavailable | None |
| Full specifications | Full specifications | Full specifications | Full specifications | Full specifications | Full specifications |
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Plantronics Discovery 640E Bluetooth headset comparison
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