The Polar RS400 Heart Rate Monitor Watch is designed for the active endurance athlete. The Polar RS400 Heart Rate Monitor Watch give their wearers the ability to improve their performance by planning, monitoring and analyzing training data. The Polar RS400 Heart Rate Monitor Watch is a great watch to start tracking your performance.
Specifications: This product comes with features that have a red dot or number next to it. See our other Polar products for systems with more features.
