Heart rate monitor
Automatic sync (automatically transfers data to your computer
Garmin Connect compatible (online community where you analyze, categorize and share data)
Garmin Training Center software compatible
Pace alert (triggers alarm if you vary from preset pace)
Watch functions include time of day (12/24h), dual time zone, calendar (day/date), daily alarm
Garmin Connect and Garmin Training Center are currently compatible with Windows 2000 or later. Mac compatibility coming 3rd Quarter, 2008.