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Plantronics Discovery 645 Bluetooth Headset comparison

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Product name	Plantronics Discovery 645 Bluetooth Headset	Plantronic Discovery 655 Bluetooth Headset	Plantronics Audio 645 headset	Plantronics Discovery 975	Plantronics Voyager Pro
Price	$87.66 to $109.00	$25.47 to $106.00	$19.99 to $31.59	$109.99 to $119.99	$79.00 to $109.99
CNET editors' rating	stars Overall score: ( stars)	4.0 stars Overall score: 8.3 (4.0 stars)	stars Overall score: ( stars)	4.0 stars Overall score: 8.3 (4.0 stars)	4.0 stars Overall score: 8.3 (4.0 stars)
Average user rating	3.0 stars	3.0 stars		3.5 stars	3.5 stars
Release date				August 20, 2009	April 23, 2009
The Bottom Line	The Plantronics Discovery 645 is a slight improvement over the Discovery 640 but has already been replaced by the Discovery 655.	The Plantronics Discovery 655 has a great functional design that offers excellent performance.		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.
Similar Products	Compare more products	Compare more products	Compare more products	Compare more products	Compare more products
Sound Output Mode	Info unavailable	Info unavailable	Stereo	Mono	Info unavailable
Headphones Form Factor	Ear-bud	Ear-bud	Behind-the-neck	In-ear ear-bud	In-ear ear-bud (with over-the-ear mount)
Microphone Operation Mode	Mono	Mono	Mono	Mono	Info unavailable
Connectivity Technology	Wireless - Bluetooth	Wireless - Bluetooth	Wired	Wireless - Bluetooth 2.1	Wireless - Bluetooth 2.1 EDR
Headphones Type	Headphone - Monaural	Headphone - Monaural	Headphones - Binaural	Headphone - Monaural	Headphones - Monaural
Compatible Mobile Devices	Info unavailable	Info unavailable	Info unavailable	Universal	Info unavailable
Product Type	Headset - Wireless - Bluetooth	Headset - Wireless - Bluetooth	Headset - Wired	Headset - Wireless - Bluetooth 2.1	Headset - Wireless - Bluetooth 2.1 EDR
Microphone	Built-in	Built-in	Boom	Built-in	Built-in - Boom
Recommended Use	Cellular phone	Cellular phone	PC multimedia	Cellular phone	Cellular phone
Product Description	Plantronics Discovery 645 - Headset	Plantronics Discovery 655 - Headset	Plantronics .Audio 645 USB - Headset	Plantronics Discovery 975 - Headset	Plantronics Voyager PRO - Headset
Manufacturer Warranty	1 year warranty	1 year limited warranty	1 year warranty	1 year warranty	1 year warranty
Remote Control	Info unavailable	None	Info unavailable	None	None
Full specifications	Full specifications	Full specifications	Full specifications	Full specifications	Full specifications
Buying choices	Amazon.com Marketplace $87.66 In stock: Yes Price from 1 CNET Certified store	Lenovo $89.00 In stock: Yes J&R Music and Computer World $34.88 In stock: Yes Amazon.com Marketplace $25.47 In stock: Yes Prices from 5 CNET Certified stores	Beach Camera $29.95 In stock: Yes TigerDirect.com $29.99 In stock: Yes Amazon.com Marketplace $19.99 In stock: Yes Prices from 4 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	Buydig.com $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
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