Meritline offers the MEElectronics M6 Noise-Isolating Earbuds in Clear, model no. M6-CL, for $19.99. Coupon code "MLC5M2E4RNL1" cuts them to $15.49. With free shipping, that's the lowest total price we could find by $11, although we saw them for pennies less in March, since expired. They feature 9mm neodymium drivers, a 20Hz to 20kHz frequency response, four sets of noise-isolating eartips, airplane adapter, carrying bag, and more. Coupon expires after 400 redemptions.