Description
The Sigma R1 STS Comfortex+ has the following features: This Sigma heart rate monitor has an adjustable textile belt. The chest strap is compatible with the Sigma PC 22.13 and PC 26.14 sports watches. Specifications: Sigma R1 heart rate monitor STS communication Adjustable textile belt Compatible with Sigma PC 22.13 and PC 26.14 watches Tags: chest straps, heart rate monitors.