The Forerunner 405CX is the evolution of GPS-enabled training. This sleek sports watch tracks your distance, pace and heart rate, then wirelessly sends the data to your PC for later analysis. The 405CX features heart rate-based calorie computation and comes with a second wrist band option suitable for smaller wrists.
Features
Heart Rate-based calorie computation (only with Heart Rate Monitor)
Automatic Sync: automatically transfer data to computer