$39.00

This Garmin Heart Rate Monitor works with the Garmin Edge 305 and Garmin Forerunner 305. Wrap it around your chest, just below the breastplate.

Heart rate monitor features:

Physical size (WxHxD): 13.7" x 1.4" x 0.5" (348mm x 35.6mm x 12.7mm)

Transmission range: approximately 3m (9.8ft)

Battery: 3 years (1 hour per day)/CR2032 (3 volts)

Weight: .74 oz (21 grams)