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XOSS Armband Heart Rate Monitor Hand Strap Sensor Bluetooth ANT+ Wireless Health Fitness Smart Bicycle Sensor for GARMIN
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Amazon.com : HS500 Heart Rate Monitor, Heart Rate Sensor Chest Strap, Protocol ANT+/Bluetooth, Compatible with iOS/Android APPs : Sports & Outdoors
![Zone 5 while running, everything I have read is saying I shouldn't be able to maintain a zone 5. I'm 32yrs old, Male, and 176lbs. I guess my question is, is my Zone 5 while running, everything I have read is saying I shouldn't be able to maintain a zone 5. I'm 32yrs old, Male, and 176lbs. I guess my question is, is my](https://preview.redd.it/zone-5-while-running-everything-i-have-read-is-saying-i-v0-bkzrx3088v9a1.jpg?width=640&crop=smart&auto=webp&s=667373262580978374f2fb78e0feebe2887dca93)