World Wide Stereo via eBay offers the Able Planet Extreme Noise-Canceling Stereo Headphones in Green (pictured), model no. XNC230G, or Red, model no. XNC230R, for $29.99 with free shipping. That's tied with last month's mention and the lowest total price we could find by $10. These headphones feature active noise cancellation and 20Hz to 20kHz frequency response and require one AAA battery (included). They come with a soft carrying pouch. Deal ends March 8 11:53 am ET.