A premium sensor strap that works with Polar HRMs and most gym cardio equipment. The soft, snug fit is comfortable and provides accurate readings.
- Compatible with any gym cardio stations that use 5 kHz transmission.
- Transfers heart rate information while swimming with Polar products that support 5 kHz transmission (FT1, FT2, FT4, FT7, FT40, FT60, FT80, RS100, RS300X, RS400 RCX5, CS100, CS200, and CS300).
- Also compatible with Polar W.I.N.D. technology (2.4 GHz).
- User replaceable battery.