Polar RS300X sd - For Enthusiast Runners

You want to go for a run and know how speed and distance can aid your performance. Without heart rate, you can only get so far. The RS300X sd combines these three to give you a true understanding of the effort you put in. And on top, all the essential heart rate features come along RS300X, on the run and online.

• Measures your heart rate combined speed and distance
• 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
• Transfer training data to polarpersonaltrainer.com with optional Polar FlowLink™ (Optional)

Polar RS300X sd Basic features

• 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
• KeyLockOver-sized display
• User configurable displays
• Visual and audible alarm in target zones
• Water resistant - 50m

Polar RS300X sd Cycling features

• Bike mount - (Optional)

Polar RS300X sd Data transfer

• Compatible with polarpersonaltrainer.com with Polar FlowLink (Optional)

Polar RS300X sd GPS features with G1 GPS Sensor (Optional)

• Battery type - AA
• Full power mode (up to 30 hours with an optional lithium battery) - avg. 10 hours
• Low battery indicator
• Low power battery mode - avg. 15 hours
• SIRF-III chipset
• Shock resistant
• Speed and Distance
• WAAS support (wide area augmentation system)
• Water resistant - 20m

Polar RS300X sd Language features

• Display text in English, German, French and Spanish

Polar RS300X sd 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

Polar RS300X sd Recording features

• 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

Polar RS300X sd Running features

• Distance summaries
• G1 GPS Sensor (Optional)
• Run Distance
• Polar S1 foot pod™ 
• Speed displayed in pace, or kmph/mph
• Speed/Pace and Distance
• Speed/Pace summaries
• Speed/Pace target zones
• Target pace
• Target pace alarms
• Time and Distanced based interval timer
• Totals mileage, kilocalories, time training
• Trip Odometer

Polar RS300X sd Transmitter belt

• Polar WearLink® + 31 coded transmitter (changeable battery)

Polar RS300X sd Watch features

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