Meet the Under Armour Headphones Wireless HR by JBL: a wearable device that lets you listen to your music and monitor your heart rate. The heart rate monitoring technology has been provided by LifeBEAM. The wireless heart rate headphones have a touch sensor on the right ear that lets users hear their heart rate when they want.
These earphones are compatible with iOS and Android devices. They are sweat-proof and have up to 5 hours of battery life. 12 months of premium membership to MapMyFitness is included with your purchase. A pair of these costs $250.