eCase via Amazon offers the Kmashi Wireless Bluetooth Sports Earbuds in Black/Red , model no. Arma K5, for $16.99. (Click "regular price" button to see this price; if you click "view lighting deal" first, the correct before-coupon price of $16.99 may move further down the page.) Coupon code "20160305" cuts them to $10.99. Plus, Prime members receive free shipping. (Non-members can spend $49 or more to qualify for free shipping; otherwise, shipping costs $6.07.) That's the lowest total price we could find by $12. They feature Bluetooth 4.0, built-in microphone, three sizes of silicon caps, and wireless range up to 33 feet. Deal ends March 11.