As one of its daily deals, SharkStores offers the Beats by Dr. Dre Powerbeats In-Ear Headphones in Black or White for $139. Coupon code "POWERBEATS135" cuts them to $135. With free shipping, that's the lowest total price we could find in any color by $10. They feature a built-in subwoofer and midrange tweeter, passive sound isolation, and ControlTalk in-line mic and remote. Deal ends today.