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 sdBasic 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 sdCycling features
Bike mount - (Optional)
Polar RS300X sdData transfer
Compatible with polarpersonaltrainer.com with Polar FlowLink (Optional)