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| Price | Check Prices | $38.93 to $49.00 | $43.41 to $76.19 | $99.99 to $128.84 | $109.99 |
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| Release date | August 18, 2009 | August 20, 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. | The Samsung WEP870 is a great choice for those who want a convertible mono and stereo Bluetooth headset. | If you want a quality Bluetooth headset that can be either mono or stereo, then the Plantronics Voyager 855 is an excellent choice. | 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 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. |
| Similar Products | Compare more products | Compare more products | Compare more products | Compare more products | Compare more products |
| Features | |||||
| Headphones Form Factor | In-ear ear-bud | Ear-bud | Convertible | In-ear ear-bud | In-ear ear-bud |
| Sound Output Mode | Mono | Info unavailable | Stereo | Mono | Stereo |
| Microphone Operation Mode | Info unavailable | Info unavailable | Mono | Mono | Info unavailable |
| Connectivity Technology | Wireless - Bluetooth | Wireless - Bluetooth 2.0 | Wireless - Bluetooth 2.0 EDR | Wireless - Bluetooth 2.1 | Wireless - Bluetooth 2.0 EDR |
| Headphones Type | Headphone - Monaural | Headphone - Binaural | Headphones - Binaural | Headphone - Monaural | Headphone - Binaural |
| Compatible Mobile Devices | Info unavailable | Samsung SGH-A137 Samsung SGH-A637 Samsung SGH-A767 Samsung SGH-A777 Samsung SGH-A837 Samsung SGH-i907 | LG Motorola Nokia Samsung Sony Ericsson | Universal | Info unavailable |
| Product Type | Headset - Wireless - Bluetooth | Headset - Wireless - Bluetooth 2.0 | Headset - Wireless - Bluetooth 2.0 EDR | Headset - Wireless - Bluetooth 2.1 | Headset - Wireless - Bluetooth 2.0 EDR |
| Microphone | On-cable | Built-in | Built-in - Boom | Built-in | Built-in |
| Recommended Use | Cellular phone | Cellular phone | Cellular phone | Cellular phone | Cellular phone |
| Product Description | Cardo S-640 - Headset | Samsung WEP870 - Headset | Plantronics Voyager 855 - Headset | Plantronics Discovery 975 - Headset | Sony Ericsson Bluetooth HBH-IS800 - Headset |
| Manufacturer Warranty | 1 year warranty | Info unavailable | Info unavailable | 1 year warranty | Info unavailable |
| Remote Control | None | Info unavailable | Info unavailable | None | None |
| Full specifications | Full specifications | Full specifications | Full specifications | Full specifications | Full specifications |
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