Great waterproof forerunner 310xt watch gps

The forerunner 310xt watch is a gps-enabled training device from garmin that isn't afraid of the water. This swim-proof trainer that tracks bike and run data and sends it wirelessly to your computer. The garmin multi-sport watch has up to 20 hours of battery life, tracks your position, distance, pace and heart rate (optional), add accessories to measure power data and goes from wrist to bike in seconds.