http://www.amazon.com/gp/aw/d/B0095P2F1S/ref=mp_s_a_1_3?qid=1415326210&sr=8-3&pi=SY200_QL40

These are what I use. I don't use the wing in ear things though. It comes with an over the ear wire that keeps them secure while I run. So far I can run 3 to 4 times before I recharge them.