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Discontinued Product

Polar Black Unisex Heart Rate And Fitness Monitor - RS300X BLACK

Abt Model: RS300XBLK | UPC Code: 725882511214
This product is no longer available.

Product Details

Polar RS300X Black Unisex Heart Rate And Fitness Monitor, Model RS300XBLK

For recreational athletes

Get all the essential heart rate features with this good-looking and simple-to-use training computer. RS300X is compatible with S1 foot pod™ and G1 GPS sensor, so you can combine heart rate with speed and distance. Only then you can truly make sense of your training and be sure it's worth all the effort.


  • Helps you to train at the right intensity with personal training zones
  • Displays how many calories you've burned
  • Tracks your latest 16 training sessions and your last 16 weeks of training
  • Transfers training data to polarpersonaltrainer.com with optional Polar FlowLink™



  • Automatic/Manual target zone (% / bpm / HRR%)
  • Backlight
  • Display zoom
  • Easy start (setting wizard)
  • Event Countdown Timer
  • Graphical target zone indicator
  • Heart rate (displayed as % of maximum heart rate)
  • Heart rate (displayed as bpm)
  • HeartTouch™, button-free operation of wrist unit
  • KeyLock
  • Over-sized display
  • User configurable displays
  • Visual and audible alarm in target zones
  • Water resistant - 50m two lines


  • Bike mount - opt.

Data Transfer

  • Compatible with polarpersonaltrainer.com with Polar FlowLink


  • Battery type - opt.
  • Full power mode (up to 30 hours with an optional lithium battery) - opt.
  • Low battery indicator - opt.
  • Low power battery mode - opt.
  • SIRF-III chipset - opt.
  • Shock resistant - opt. Speed and Distance - opt.
  • WAAS support (wide area augmentation system) - opt.
  • Water resistant - opt.

Polar exercise features

  • Automatic lap recording - opt.
  • Average heart rate of each lap
  • Average heart rate of total exercise
  • Exercise Date
  • Exercise Set (extended exercise profiles)
  • HR-based target zones with audible alarm - 3
  • HR-based target zones with visual alarm - 3
  • HRmax (Polar Fitness test-based)
  • HRmax (age-based)
  • Interval trainer (HR, pace, distance) guided workouts
  • 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 OwnZone®
  • Polar sport zones
  • Speed-based target zones with visual and audible alarm - opt.
  • Wireless ECG accurate heart rate
  • ZoneLock
  • ZonePointer


  • Average heart rate
  • Calorie expenditure - exe.total
  • Exercise Time (total)
  • Exercise file info page with date and time
  • Lap info
  • Last OwnIndex
  • Maximum heart rate
  • Number of exercise files (with summaries) - 16
  • Target zone limits
  • Time in target zone


  • Distance summaries - opt.
  • G1 GPS Sensor - opt.
  • Run Distance - opt.
  • S1 foot pod™ - opt.
  • Speed displayed in pace, or kmph/mph - opt.
  • Speed/Pace and Distance - opt.
  • Speed/Pace summaries - opt.
  • Speed/Pace target zones - 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)

Watch features

  • Alarm with snooze
  • Date and weekday indicator
  • Dual time zone
  • Low battery indicator
  • StopWatch
  • Time of day (12/24h) with alarm

In the Box

  • Polar RS300X
  • Polar WearLink®+ transmitter
  • Manual

Approximate Weight:

  • Shipping: 1 lbs
Key Features
Helps You To Train At The Right Intensity With Personal Training Zones/ Displays How Many Calories You 've Burned/ Tracks Your Latest 16 Training Sessions And Your Last 16 Weeks Of Training/ Transfers Training Data To Polar Personal Trainer Website With Optional Polar FlowLink/ Black Finish
More reasons to buy the Polar RS300X BLACK from Abt Electronics
  • Abt.com is an authorized dealer (Learn More).
  • The Polar RS300X BLACK is Brand New.
  • The Polar RS300X BLACK Ships in a Factory Sealed Box.
  • Abt ships this product for free!
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