The Polar S610i heart rate monitor lets you download directly to your PC without a separate interface. In seconds after your workout, a performance breakdown is right there on your PC. The enhanced Polar Performance s/w lets you look at your workouts every 5, 15 or 60 seconds.
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Features include:
Wireless ECG accurate heart rate monitor
Five exercise sets
OwnCal
Polar fitness test
OwnCode
Three target zones with visual and audible alarm
HR max (Polar Fitness test-based)
HR max (age-based)
Interval timers
Max heart rate of total exercise
Avg. heart rate of each lap
Max heart rate of each lap
Recovery measurement (HR/time)
2-way IR data communication
UpLink, settings upload from SW to HRM
99 exercise files
Training file info page w/date and time
Time in target zone
Target zone limits
Avg. heart rate of total exercise
Calorie expenditure
Water resistant to 50 meters
Backlight
Dual time zone
Date/day indicator
Stopwatch
Exercise reminder (visual/alarm)