Meritline offers the MEElectronics Noise-Isolating In-Ear Earphones with Microphone in Black/Silver, model no. SX-31P-BK, for $9.99. Coupon code "MLCK10B5NL1" cuts them to $3.99. With free shipping, that a buck under our June mention and the lowest total price we could find by $3. They feature 10mm neodymium drivers, a 20Hz to 20kHz frequency response, three sets of noise-isolating eartips, in-line microphone, and more.