During its Cyber Monday sale, Harman Audio offers the JBL Reflect Mini In-Ear Headphones with Mic
three colors for $48.55
with free shipping.
That's the lowest total price we could find. (Most stores charge $54 or more.) These sweat-proof earbuds claim to stay put during intense workouts. They include an in-line control with microphone.
Note that prices will drop in-cart.