Cardo S640 Bluetooth headset comparison

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Product name	Cardo S640 Bluetooth headset	Plantronics Voyager 855 Bluetooth headset	Samsung WEP870	Plantronics Pulsar 260 Headset	Sony Ericsson HBH-IS800 Wireless Stereo Headphone
Price	$34.99	$31.49 to $99.59	$39.95 to $53.24	$32.24	$109.99
CNET editors' rating	4.0 stars Overall score: 8.0 (4.0 stars)	4.0 stars Overall score: 8.0 (4.0 stars)	4.0 stars Overall score: 8.0 (4.0 stars)	4.0 stars Overall score: 8.0 (4.0 stars)	3.5 stars Overall score: 7.5 (3.5 stars)
Average user rating		3.0 stars		3.0 stars	2.5 stars
Release date			August 18, 2009
The Bottom Line	The Cardo S640 is a great Bluetooth headset for those who don't like wearing one on the ear all the time. The sound quality is terrific, and it's easy to use.	If you want a quality Bluetooth headset that can be either mono or stereo, then the Plantronics Voyager 855 is an excellent choice.	The Samsung WEP870 is a great choice for those who want a convertible mono and stereo Bluetooth headset.	The Plantronics Pulsar 260's excellent sound quality and user-friendly controls make it a great stereo Bluetooth headset.	The solid-sounding Sony Ericsson HBH-IS800 Wireless Stereo Headphones are an excellent option for anyone looking for the very smallest Bluetooth headset money can buy to use with an A2DP-compatible music phone or MP3 player.
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Response Bandwidth	Info unavailable	Info unavailable	Info unavailable	20 - 20000 Hz	Info unavailable
Localization	Info unavailable	Info unavailable	Info unavailable	Eastern Europe	Info unavailable
Headphones Form Factor	In-ear ear-bud	Convertible	Ear-bud	In-ear ear-bud	In-ear ear-bud
Sound Output Mode	Mono	Stereo	Info unavailable	Stereo	Stereo
Microphone Operation Mode	Info unavailable	Mono	Info unavailable	Mono	Info unavailable
Connectivity Technology	Wireless - Bluetooth	Wireless - Bluetooth 2.0 EDR	Wireless - Bluetooth 2.0	Wireless - Bluetooth 2.0	Wireless - Bluetooth 2.0 EDR
Headphones Type	Headphone - Monaural	Headphones - Binaural	Headphone - Binaural	Headphones - Binaural	Headphone - Binaural
Compatible Mobile Devices	Info unavailable	LG Motorola Nokia Samsung Sony Ericsson	Samsung SGH-A137 Samsung SGH-A637 Samsung SGH-A767 Samsung SGH-A777 Samsung SGH-A837 Samsung SGH-i907	Info unavailable	Info unavailable
Product Type	Headset - Wireless - Bluetooth	Headset - Wireless - Bluetooth 2.0 EDR	Headset - Wireless - Bluetooth 2.0	Headset - Wireless - Bluetooth 2.0	Headset - Wireless - Bluetooth 2.0 EDR
Microphone	On-cable	Built-in - Boom	Built-in	On-cable	Built-in
Recommended Use	Cellular phone	Cellular phone	Cellular phone	PC multimedia Cellular phone Home audio system Portable audio system	Cellular phone
Product Description	Cardo S-640 - Headset	Plantronics Voyager 855 - Headset	Samsung WEP870 - Headset	Plantronics Pulsar 260 - Headset	Sony Ericsson Bluetooth HBH-IS800 - Headset
Manufacturer Warranty	1 year warranty	Info unavailable	Info unavailable	Info unavailable	Info unavailable
Remote Control	None	Info unavailable	Info unavailable	None	None
Full specifications	Full specifications	Full specifications	Full specifications	Full specifications	Full specifications
Buying choices	Prices from 0 CNET Certified stores	Amazon.com $31.49 In stock: Yes OfficeMax $119.99 In stock: Yes CDW Corporation $84.99 In stock: Yes Prices from 4 CNET Certified stores	Beach Camera $44.99 In stock: Yes Buydig.com $39.95 In stock: Yes Amazon.com $47.86 In stock: Yes Prices from 3 authorized stores	Amazon.com Marketplace $32.24 In stock: Yes Price from 1 CNET Certified store	MobileCityOnline.com $109.99 In stock: Yes Price from 1 CNET Certified store
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