Peloton Chest Heart Rate Monitor with adjustable strap. Accurately tracks real-time heart rate during cycling, treadmill, strength, and HIIT workouts. Compatible with Peloton Bike, Bike+, Tread, and Peloton App. Connects via Bluetooth and ANT+ to supported fitness equipment and apps. Features: • Chest strap design for precise heart rate tracking • Bluetooth Smart + ANT+ connectivity • Adjustable elastic strap • Lightweight snap-on sensor • Replaceable CR2032 battery Condition: Excellent used condition. Clean and fully functional. Strap shows minimal wear. Ready to pair and use. Perfect for zone training and maximizing performance during Peloton classes or other cardio workouts.