![Amazon.com: Fitbit Sense 2 Advanced Health and Fitness Smartwatch with Tools to Manage Stress and Sleep, ECG App, SpO2, 24/7 Heart Rate and GPS, Shadow Grey/Graphite, One Size (S & L Bands Amazon.com: Fitbit Sense 2 Advanced Health and Fitness Smartwatch with Tools to Manage Stress and Sleep, ECG App, SpO2, 24/7 Heart Rate and GPS, Shadow Grey/Graphite, One Size (S & L Bands](https://m.media-amazon.com/images/W/IMAGERENDERING_521856-T1/images/I/61WpiPLatCL._AC_UF1000,1000_QL80_.jpg)
Amazon.com: Fitbit Sense 2 Advanced Health and Fitness Smartwatch with Tools to Manage Stress and Sleep, ECG App, SpO2, 24/7 Heart Rate and GPS, Shadow Grey/Graphite, One Size (S & L Bands
![NRC needs some kind of calibration. My FitBit run this evening is on the left, & the NRC is on the right. There is a .30 mile discrepancy between the two. 🙀🤪 : NRC needs some kind of calibration. My FitBit run this evening is on the left, & the NRC is on the right. There is a .30 mile discrepancy between the two. 🙀🤪 :](https://preview.redd.it/mxqzmev587t31.jpg?auto=webp&s=5f2f0541ba7dcbd19b1fc7690a7d85983f350728)
NRC needs some kind of calibration. My FitBit run this evening is on the left, & the NRC is on the right. There is a .30 mile discrepancy between the two. 🙀🤪 :
![NRC says one thing, FitBit says another. At least I unlocked another set of badges using NRC. 😸 But another half marathon in the books. 🎉 : r/ nikerunclub NRC says one thing, FitBit says another. At least I unlocked another set of badges using NRC. 😸 But another half marathon in the books. 🎉 : r/ nikerunclub](https://preview.redd.it/pn9ys3k76jt31.jpg?auto=webp&s=bfc57a2fcc7d2f5c785f6ba0fcc9088f17747619)