Slightly different to the T31 coded transmitter, the slim, light and waterproof T31 transmitter doesn’t have the benefit of coding for interference free transmission. However, its purpose remains the same: to transmit your heart rate to your wrist unit ECG (electrocardiogram) accurately.
- Non user replaceable battery
Compatible With:
Polar Beat
Polar Target
Polar Pacer
Polar B1
Polar A1
Polar A3
Polar A5
Polar B5
Polar F1
Polar F2
Polar FS1
Polar FS2
Polar FS3
Polar F4
Polar F5
Polar S120