Jaybird headphones

Logitech to acquire Jaybird, maker of wireless audio wearables

Jaybird is best known for its wireless audio wearables for sports and active lifestyles, but it also makes a fitness band called Jaybird Reign.
Jaybird Reign

Jaybird Reign fitness band launching on October 26th for $199

The waterproof fitness band can track user's activity, sleep and heart rate, which is then transmitted to an accompanying iOS and Android mobile apps.