Traditional GPS devices have primarily been rectangular flat-screen models for use with cars, motorcycles and other vehicles. However, there are several other important product segments in the marketplace, including Garmin’s series of wristwatch-based Forerunner sports GPS products. Although these don’t display maps, they provide a variety of navigational and training-oriented features. The Forerunner’s power requirements are much higher than those of a conventional watch, so you’ll need to charge it regularly. Writer Bio
