This FiTrainer is a clever heart rate monitor and MP3 player in one. The monitor bit clips onto your ear lobe, so no naff chest straps, although you do look a bit weird with the thing dangling front and center. The unit also gives you vocal guidance on how to keep your work rate optimal based on your heart rate, which is useful for you get ahead types. $59.95.
Working out too heavily can stress your body and can lead to various health related problems. Working out too lightly may not give you the best desired results. The FITRAINER helps determine your ideal workout by accurately detecting your pulse rate and guiding you throughout your workout via narration, rhythm and music.