Meet the JayBird Reign: an advanced activity tracker designed to measure your physical activity, including calories burned, distance traveled, heart rate, sleep quality and steps taken. You can use the Go-Zone function to determine when you should be more active. The device has a sleep function that lets you determine the amount of sleep you need. It has a waterproof design and a battery that lasts up to 5 days. The LED display gives you feedback about your workout. Sets you back $199.99 at this time.