New Balance N4 HRM- 1st use

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I used my HRM for the first time today to see if it would work. I logged 1:25 hours of basic cleaning up around the house, putting away dishes, clothes, loading/unloading dishwasher, etc and it gave me a reading of 302 calories burned. I am curious if this sounds accurate? I set all of my info (height/weight) and set the activity level at 1-low. I am 5 7" and 180 lbs.

Thanks