Take your training to the next level with Garmin's Heart Rate Monitor Chest Strap. It's compatible with many of their GPS units and wirelessly gives you an accurate read out of your heart rate. Plus, it features ANT+ technology for seamless, interference-free data transferring. The front part of the strap contains the heart rate module and is made of flexible plastic while soft fabric goes around the back and is adjustable to your size.
wirelessly transmits your heart rate to your compatible device for instant feedback soft elastic strap provides a comfortable fit Once it's paired with your compatible device the first time, it will automatically recognize it each time Worn Around Chest Wirelessly Transmits Heart Rate To Compatible Device For Instant Feedback Made Of Soft Fabric Adjustable Sizing Recognizes Compatible Device After First Usage