MEElectronics SX-31-WT Earphones for $4.99 shipped after promo code EMCNDJH224.  Here is a screenshot for your reference. It works with iPod, iPhone and other MP3 devices and features 10mm dynamic micro speaker driver, noise isolation, 20Hz to 20KHz frequency response, 95dB selectivity, external noises and . Most places have it for about $9.