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S725X

For cycling and multisport training

The S725X is a proven and trusted heart rate based training tool for the most demanding multisport training and elite-level competitive cycling. Tough and powerful, it provides the ultimate solution for racing and optimizes every aspect of every one of your training sessions.

  • Synchronizes with the Polar ProTrainer 5 software for guidance, analysis and creating individual training settings
  • Highly sensitive barometric altitude sensor shows your elevation profiles
  • Tailor the training information you want to view on the wrist unit
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S725X

Altimeter features
Altitude with graphical trend - available via PC software
Cumulative Ascent and Descent - available via PC software
Basic features
Automatic/Manual target zone (% / bpm / HRR%) - bpm
Backlight
Heart rate (displayed as % of maximum heart rate)
Heart rate (displayed as bpm)
HeartTouch™, button-free operation of wrist unit
Visual and audible alarm in target zones - only visual in cycling mode
Water resistant - 30m
Computer connectivity
Compatible with Polar Precision Performance™ analysis software
Edit wrist unit settings with Polar UpLink Tool and transfer them to your Polar product (UpLink)
Transfer exercise data from wrist unit to polarpersonaltrainer.com via Polar WebLink (SonicLink/Infrared)
Transfer logos from Polar web site to wrist unit (UpLink)
Cycling features
Bike mount
Cadence sensor - wireless
Cycling Efficiency Index - opt. with Power Output sensor
Distance
Distance based interval
Distance based recovery measurement
Left/right balance - opt. with Power Output sensor
Odometer (1/2 and total)
Pedaling index - opt. with Power Output sensor
Power Output Sensor™ - opt. wired
Speed (current, average and max)
Speed sensor - wireless
Temperature and altitude
Trip
Wheel size settings for two bicycles
Data transfer
Infrared using external Polar IR Interface (optional)
IrDA USB Adapter or internal/external non-Polar IrDA adapter - opt.
UpLink (PC with a sound card and headphones/dynamic loudspeakers required)
Mobile connectivity
MobileLink
Polar exercise features
Altitude, ascent and descent
Automatic lap recording
Average heart rate of each lap
Average heart rate of total exercise
Exercise Date
Exercise Set (extended exercise profiles) - 5
HR-based target zones with audible alarm - 3 (not in bike mode)
HR-based target zones with visual alarm - 3
HRmax (Polar Fitness test-based)
HRmax (age-based)
Interval timers
Maximum heart rate of each lap
Maximum heart rate of total exercise
Number of laps - 99
Polar Fitness Test™ with OwnIndex®
Polar OwnCal®
Polar OwnCode® (5kHz)
Polar OwnOptimizer™
Recovery measurement (HR / time)
Wireless ECG accurate heart rate
Recording features
Aerobic/Anaerobic threshold summary
Calorie expenditure - exe.total
Distance (total) - opt. with Speed sensor
Exercise Time (total) - total
Exercise file info page with date and time
Lap info
Last OwnIndex
Memory left indication
Number of exercise files (with summaries) - 99
Recording rate - 5s, 15s, 60s
Target zone limits
Time in target zone
Running features
Run Distance - opt.
Running route elevation profile - opt.
S1 foot pod™ - opt.
Speed displayed in pace, or kmph/mph - opt.
Speed/Pace and Distance - opt.
Target pace - opt.
Target pace alarms - opt.
Time and Distanced based interval timer - opt.
Totals mileage, kilocalories, time training - opt.
Trip Odometer - opt.
Transmitter belt
WearLink® 31 coded transmitter (changeable battery) - compatible
WearLink®+ 31 coded transmitter (changeable battery)
Watch features
Date and weekday indicator
Dual time zone
Exercise reminder (visual/alarm)
Low battery indicator
StopWatch
Time of day (12/24h) with alarm