Plantronics Discovery 640 Bluetooth headset comparison

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Product name	Plantronics Discovery 640 Bluetooth headset	Plantronics Voyager Pro	Plantronics Discovery 975	Plantronic Discovery 655 Bluetooth Headset	Aliph Jawbone Prime Bluetooth headset
Price	Check Prices	$79.00 to $109.99	$109.99 to $119.99	$24.99 to $129.99	$99.99 to $139.95
CNET editors' rating	4.0 stars Overall score: 8.0 (4.0 stars)	4.0 stars Overall score: 8.3 (4.0 stars)	4.0 stars Overall score: 8.3 (4.0 stars)	4.0 stars Overall score: 8.3 (4.0 stars)	4.0 stars Overall score: 8.3 (4.0 stars)
Average user rating	3.5 stars	3.5 stars	3.5 stars	3.0 stars	3.5 stars
Release date		April 23, 2009	August 20, 2009		May 02, 2009
The Bottom Line	The Plantronics Discovery 640 is a well-performing Bluetooth headset that offers first-class usability.	The Plantronics Voyager Pro might not look like much, but it has the best sound quality of any Bluetooth headset we've ever tried.	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 Discovery 655 has a great functional design that offers excellent performance.	The Aliph Jawbone Prime is a great Bluetooth headset that combines high style with high performance.
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Sound Output Mode	Info unavailable	Info unavailable	Mono	Info unavailable	Info unavailable
Headphones Form Factor	Ear-bud	In-ear ear-bud (with over-the-ear mount)	In-ear ear-bud	Ear-bud	In-ear ear-bud (with over-the-ear mount)
Microphone Operation Mode	Mono	Info unavailable	Mono	Mono	Mono
Connectivity Technology	Wireless - Bluetooth	Wireless - Bluetooth 2.1 EDR	Wireless - Bluetooth 2.1	Wireless - Bluetooth	Wireless - Bluetooth 2.1 EDR
Headphones Type	Headphone - Monaural	Headphones - Monaural	Headphone - Monaural	Headphone - Monaural	Headphone - Monaural
Active Noise Canceling	Info unavailable	Info unavailable	Info unavailable	Info unavailable	Yes
Product Type	Headset - Wireless - Bluetooth	Headset - Wireless - Bluetooth 2.1 EDR	Headset - Wireless - Bluetooth 2.1	Headset - Wireless - Bluetooth	Headset - Wireless - Bluetooth 2.1 EDR
Compatible Mobile Devices	Nokia 3650 Nokia 3660 Nokia 6230 Panasonic X70 Siemens S55 Sony Ericsson K700i	Info unavailable	Universal	Info unavailable	Info unavailable
Microphone	Built-in	Built-in - Boom	Built-in	Built-in	Built-in
Recommended Use	Cellular phone	Cellular phone	Cellular phone	Cellular phone	Cellular phone
Product Description	Plantronics Discovery 640 - Headset	Plantronics Voyager PRO - Headset	Plantronics Discovery 975 - Headset	Plantronics Discovery 655 - Headset	Aliph Jawbone Prime - Headset
Manufacturer Warranty	1 year warranty	1 year warranty	1 year warranty	1 year limited warranty	1 year warranty
Remote Control	Info unavailable	None	None	None	Info unavailable
Full specifications	Full specifications	Full specifications	Full specifications	Full specifications	Full specifications
Buying choices	E-mail me when this product is available	Beach Camera $79.00 In stock: Yes Amazon.com $84.99 In stock: Yes Newegg.com $84.99 In stock: Yes Prices from 11 CNET Certified stores	Amazon.com $116.94 In stock: Yes Dell Home & Home Office $119.99 In stock: Yes MSG Digital $109.99 In stock: Yes Prices from 3 CNET Certified stores	Lenovo $89.00 In stock: Yes Newegg.com $24.99 In stock: Yes J&R Music and Computer World $34.88 In stock: Yes Prices from 7 CNET Certified stores	PC Connection $139.95 In stock: Yes MSG Digital $99.99 In stock: Yes Apple Inc. $129.99 In stock: Yes Prices from 3 CNET Certified stores
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