These are sweat-proof headphones that are perfect for those want to listen to music while running. They are suited for non-exercise purposes as well.
From Amazon
JBL Reflect Contour 2.0, Secure Fit, in-Ear Wireless Sport Headphone with 3-Button Mic/Remote - White
OnBuy
JBL Reflect Contour 2.0, Secure Fit, in-Ear Wireless Sport Headphone with 3-Button Mic/Remote - Black