Garmin HRM-Swim Heart Rate Monitor

It's never been possible to record heart rate accurately during swimming - it is now The swim stores up to 20 hours of heart rate data during swims, then forwards it to a compatible device at the end of the session It also sends real-time heart rate to the watch when the monitor is out of the water HRM-Tri strap is the smallest and lightest heart rate monitor from Garmin Designed with rounded edges and no exposed seams, the strap remains comfortable during extended hours of training, and is designed to be worn under a tri suit A simple bi-fold adjustment reduces elastic weight and makes sizing easy Additionally, the new straps provide advanced run metrics - by measuring cadence, vertical oscillation and ground contact time when paired with a compatible device Lasts up to 18 months (assuming three hours/week use) with user-replaceable CR2032 battery HRM-Swim has the same features as HRM-Tri with a special non slip design - keeping the monitor in place - even during push-offs from pool walls Bundle version includes one of each strap.