Amazon has the Jesbod Mini Bluetooth Earbud Headset for $20 - $6 off with coupon 8RQ3TGSM (Ends 12/16) = $14 with free shipping on $25+ or with Prime. List price: $50. Features Bluetooth 4.1, a microphone, rechargeable battery with up to six hours of music per charge, one wireless magnetic USB charger, three sizes of eartips, and carry case.
Has good Amazon Reviews.
eBay has the Monster NCredible NTune On-Ear Headphones (Core Solid Yellow, Neon Yellow or Neon Pink) for $18 with free shipping. List price: $130. Features an on-cable mic and "non-tangle cord," which is still the final frontier of headphone technology.