Yugoo via Amazon offers the YuGoo Noise Isolating In Ear Earbuds in Black for $9.99. Coupon code "RDM39LWP" cuts the price to $4.99. With free shipping for Prime members, that's $5 off list and the lowest price we could find. They feature two spare earplugs, volume adjustment function, and a built-in microphone. Deal ends March 31.