This Earphone

Dell Business has the Sony Ericsson Aino U10 Unlocked GSM Smartphone for $420 with free shipping. WCDMA (UMTS)/ GSM quad-band slider phon. a 3″ touch screen LCD, 8.1 megapixel camera, GPS, 802.11g Wi-Fi, Bluetooth 2.0 EDR, A2DP, built-in stereo speakers, accelerometer. Includes bluetooth headset and charging stand.

Product description from Dell Business:

Organize your entertainment via Media Go. Transfer your files from PC to phone wirelessly and
enjoy your latest content on your phone.Enjoy the action on the crisp 3″ screen. For good measure - and style! - a matching Bluetooth headset and desk stand charger are also included.Connect your Aino to PLAYSTATION 3 in your home. When out traveling, use the Internet or 3G and control your PLAYSTATION 3 via Remote Play.

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B&H Photo Video has the Sony MDR-V6 Closed Back Stereo Studio Headphones - Black for $74.95 with free shipping.
This product is sold at Computers4SURE.com for $79.28; PCConnection.com for $91.52; Etronics.com for $102.89; AbtElectronics.com for $109.99.
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B&H Photo Video has the Skullcandy S2HLBZBG Holua Wooden In-Ear Stereo Headphones - Black/Green for $56.39 (Price Shown in Cart) with free shipping.
This product is sold at AbtElectronics.com for $68.00; Adorama.com for $89.00; J&R for $89.95; OneCall.com for $89.95.
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Adorama.com has the Callpod CDHS-0011 Dragon V2 Bluetooth Headset for $29.99 with free shipping.
This product is sold at CircuitCity.com for $57.98; J&R for $66.75; Computers4SURE.com for $68.97; PcRUSH.com for $78.78.

Product description from Adorama.com:

Talk on your mobile phone without wires using the Dragon? Bluetooth? headset. With a 328+ ft (100m) range, you can roam around your office or home without having to carry your phone.

Dragon can also connect with your PC for Skype? calls simultaneously, allowing you to switch between your PC and mobile phone with a press of a button.

With advanced dual-mic noise suppression?, the callerson the other end will enjoy crystal clear voice even if you are at an airport, noisy restaurant or car. Works with all Bluetooth-enabled mobile phones, computers and PDAs.

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AbtElectronics.com has the BumbleBee B3 Bluetooth Earclip Headset - Black for $9.99 with free shipping.
This product is sold at Adorama.com for $14.99.
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Buy.com has the Able Planet NC300B Noise Canceling Headphone for $59.99 with free shipping.
This product is sold at CompUSA.com for $87.98; Best Buy for $107.24; ECost.com for $124.98; RadioShack.com for $96.04

Adorama.com has the Samsung WEP-650 MicroUSB Bluetooth Headset - Silver for $27.99 - $25 Mfr Mail-In rebate (Expires 03/31/2010) = $2.99 with free shipping.
This product is sold at TheNerds.net for $40.98.

Product description from Adorama.com:

The Samsung WEP-650 is both unique & revolutionary with the best-ever fit & finish supported by the ergonomically designed E-Clip (Enhanced Ear-Clip). The up and down tilting earpiece ensures a perfect snug fit even when not wearing the ear hook. The V-shaped Bluetooth headset is able to wrap around your ear and is the embodiment of your sophisticated refined style.

Multiple functions supported by the simple and easy-to-use Multi-function key. The WEP650 features up to 6 hours of talk time and up to 150 hours standby time. The WEP650 is a work of art combining functionality and design, will perfect your fashion look while you experience crystal clear calls. The package includes WEP650 Headset, MicroUSB Travel Adapter, Detachable Ear hook & User Manual. Universally compatible with Samsung & non-Samsung Bluetooth enabled phones.

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oduct link.