Instabeat is the first waterproof heart rate monitor designed for swimmers. It was developed by a professional swimmer because of the need for technology to improve workouts. The device is fitted around normal goggles but it constantly monitors the heart rate using blood flowing through the temporal artery. A light changes color to alert the user how close they are to achieving their target goal. Up until now, fitness trackers have had a hard time working for swimmers because the difficulty in making a device accurate while submerged in water. The Instabeat has won many awards for achievements in science and technology and has proven to be a useful advancement for the sport.