This Earphone

Amazon.com(viaDLNEnterprise) has the Sennheiser MM50IP In-Ear Sound Isolating Stereo Headset With Mic For IPhone for $32.45 + $4.57 shipping = $37.02 Shipped.
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Buy.com has the Plantronics SupraPlus H251N Noise Canceling Headset for $59.99 with free shipping.

Product description from Buy.com:

The SupraPlus H251N mono headset family brings new standard in all day comfort and reliability to telephone professionals. Enhanced receive side audio quality, intelligent flexible boom and stylish design provide greater headset flexibility. SupraPlus H251N mono headset offers monaural versions, noise can
celing microphones and is compatible with Plantronics amplifiers and USB-to-headset adapters.

FeaturesMicrophone Technology Noise CancelingEarpiece Design Over-the-headConnectivity Technology WiredColor BlackManufacturer Plantronics, IncHost Interface ProprietaryMicrophone Design BoomWireless Technology Not ApplicableStandard Warranty 2 Year LimitedManufacturer Part Number 64338-01Earpiece Type MonauralSound Mode MonoManufacturer Website Address www.plantronics.comForm Factor Semi-openBrand Name PlantronicsMicrophone Sensitivity -39 dBWeight 1.70 ozProduct Line SupraPlusProduct Model H251NProduct Name SupraPlus H251N Mono HeadsetGreen Compliance YesGreen Compliance Certificate/Authority TCO ‘07Product Type Headset

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Amazon has the Skullcandy Ink’d Earbuds in White (also Silver) for $10 with free shipping on orders over $25. 3.5mm gold plated plug, 1.3m cable length, 11mm speakers.[tags]Earbud[/tag
s]

Amazon.com has the Sennheiser HD280PRO 3.5mm Connector Professional Headphone for $73.95 (shows in cart) with free shipping.
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Best Buy has the Logitech Ultimate Ears Super.Fi 4 Noise Isolating Earphones for $79.99 with free shipping.

HandHelditems.com has the HHI iSolate Vibe Earphone for $5 - $3 off with coupon code “isolate35mmvibe” (Expires 2/28) + $3 shipping = $5 shipped. Frequency Response: 20Hz to 20kHz. It can be used as a headset for any phone with a 3.5mm jack.

ZipZoomFly has the Genius SP-S110 100W (P.M.P.O.) 2.0 Black Speaker for $15 - $10 rebate (Expires 3/15) = $10 with free shipping. These budget speakers feature a headphone jack in case you don’t want everyone knowing what you’re listening to.

Product description from ZipZoomFly:

Genius SP-S110 2.0 Basic Speaker System

The new SP-S110 stereo speaker system from Genius looks great with a LCD panel or Notebook PC. The power and volume controls and the headphone jack are on the front panel for easy access. You get a choice of two colors to suit your taste, black or computer white.

Specification
Volume: Yes
Headphone jack: Yes

Newegg.com has the Rosewill RH-40C 3.5mm Circumaural Multimedia Stereo Headset for $9.99 with free shipping.

Product description from Newegg.com:

General Brand Rosewill Model RH-40C SPEC Frequency Response 20Hz?

Amazon has the Altec Lansing UHP606 Backbeat Pro Reference Earphones for $20 with free shipping on orders over $25. Ideal for use with all MP3, CD, DVD players and portable gaming systems.

ZipZoomFly has the Genius HS-04SU Over-the-head Headphones for $28 - $15 rebate (Expires 3/15) = $13 with free shipping. a noise canceling microphone with volume control and a mute button.

Product description from ZipZoomFly:

Genius HS-04U Headband headset with Noise-canceling microphone

Ideal for MP3, MSN, SKYPE, or Games
This brand new headset from Genius, the HS-04SU, is great for on-line communication, playing games, or using an MP3 player. It also gives you the flexibility to listen and speak clearly with more comfort and quality.
This headset with a noise-canceling microphone also has a volume control and mute button for the microphone. If you?re spending long hours at your computer using MSN, SKYPE, playing a game, or using an MP3 player, you?ll get superior comfort as the headband is adjustable. It also has soft rubber surfaces and the ear pads are fitted with soft foam. Contact your sales representative for the HS-04SU to get
the latest technology in headsets.

Features
? !
Headband
stereo headset
? Noise-Canceling microphone
? In-line volume control
? In-line microphone with mute function
? Great for MSN/ SKYPE/ MP3 player