Polar S3+ Running Sensor
Compatible with RS800CX, RCX5, RCX3, RC3 GPS models
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S3 + Running Sensor
The S3+ Running Sensor ensures precise measurement of speed and distance. Track your every move, assessing the effectiveness and efficiency of your training with the nifty S3+ Running Sensor.
- Measurement of running speed, pace and distance
- Helps you improve your running technique through detecting the step frequency and step length
- Determines your running index to determine your performance
- Shock resistant and water resistant for runs under the toughest conditions
The recommended daily dosage should not be exceeded.