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| Price | $24.99 | $106.94 to $143.43 | $79.95 to $109.99 | $129.99 to $139.95 | $16.95 to $89.00 |
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| Release date | August 20, 2009 | April 23, 2009 | May 02, 2009 | ||
| The Bottom Line | The Plantronics Discovery 640 is a well-performing Bluetooth headset that offers first-class usability. | Despite its finicky controls, the Plantronics Discovery 975 is a stylish headset with a comfortable fit, a great feature set, and excellent call quality. | The Plantronics Voyager Pro might not look like much, but it has the best sound quality of any Bluetooth headset we've ever tried. | The Aliph Jawbone Prime is a great Bluetooth headset that combines high style with high performance. | The Plantronics Discovery 655 has a great functional design that offers excellent performance. |
| Similar Products | Compare more products | Compare more products | Compare more products | Compare more products | Compare more products |
| Features | |||||
| Sound Output Mode | Info unavailable | Mono | Info unavailable | Info unavailable | Info unavailable |
| Headphones Form Factor | Ear-bud | In-ear ear-bud | In-ear ear-bud (with over-the-ear mount) | In-ear ear-bud (with over-the-ear mount) | Ear-bud |
| Microphone Operation Mode | Mono | Mono | Info unavailable | Mono | Mono |
| Connectivity Technology | Wireless - Bluetooth | Wireless - Bluetooth 2.1 | Wireless - Bluetooth 2.1 EDR | Wireless - Bluetooth 2.1 EDR | Wireless - Bluetooth |
| Headphones Type | Headphone - Monaural | Headphone - Monaural | Headphones - Monaural | Headphone - Monaural | Headphone - Monaural |
| Active Noise Canceling | Info unavailable | Info unavailable | Info unavailable | Yes | Info unavailable |
| Product Type | Headset - Wireless - Bluetooth | Headset - Wireless - Bluetooth 2.1 | Headset - Wireless - Bluetooth 2.1 EDR | Headset - Wireless - Bluetooth 2.1 EDR | Headset - Wireless - Bluetooth |
| Compatible Mobile Devices | Nokia 3650 Nokia 3660 Nokia 6230 Panasonic X70 Siemens S55 Sony Ericsson K700i | Universal | Info unavailable | Info unavailable | Info unavailable |
| Microphone | Built-in | Built-in | Built-in - Boom | Built-in | Built-in |
| Recommended Use | Cellular phone | Cellular phone | Cellular phone | Cellular phone | Cellular phone |
| Product Description | Plantronics Discovery 640 - Headset | Plantronics Discovery 975 - Headset | Plantronics Voyager PRO - Headset | Aliph Jawbone Prime - Headset | Plantronics Discovery 655 - Headset |
| Manufacturer Warranty | 1 year warranty | 1 year warranty | 1 year warranty | 1 year warranty | 1 year limited warranty |
| Remote Control | Info unavailable | None | None | Info unavailable | None |
| Full specifications | Full specifications | Full specifications | Full specifications | Full specifications | Full specifications |
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Plantronics Discovery 640 Bluetooth headset comparison
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