Dual band, Bluetooth, ANT +, heart rate sensor with strap Track those beats with the Stages dual band heart rate sensor. This HR strap is the perfect complement to the Stages Dash with both Bluetooth and ANT+ 2.4Ghz radios for sure transmission of a rider’s heart rate. The sensor has an range of 30bpm to 230bpm and will run for 900hrs on a single CR2032 coin cell battery. The housing is water proof to 30m and polymer electrodes are integrated to the elastic strap.