newegg offers the Zalman Dual Stereo Over-Ear Headphones in Black, model no. ZM-DS4F, for $9.99 with free shipping. That's the lowest total price we could find for any color by $12. These foldable headphones feature a 50Hz to 20kHz frequency response, 28mm tweeter, 40mm woofer, and 2-way sound. Deal ends August 29.