This Earphone

CompUSA.com has the Koss QZ50 Active Noise Reduction Headset With Behind The Neck Style Design for $19.99 - free shipping coupon code “SHIPITfree”

Product description from CompUSA.com:

(Based on manufacturer’s information)New advances in materials and design have served to expand the performance of stereophones. Koss’ Product Development team and engineers look for the most innovative combinations of existing and new technologies to deliver the most excit!
ing products possible.

• Frequency Response: 30-20,000 Hz
• Revolutionary Active Noise Reduction (ANR) stereophone system reduces harmful and annoying low frequency sounds in noisy environments
• Dynamic element for full sound reproduction
• Behind-the-head stereophone design for maximum comfort during extended wearing periods
• Requires 1 “AAA” battery

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