Fasting tracker for aid in losing weight
$30 $200
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Lumen metabolism tracker
It measures CO2 in your breath through the sensor and flow meter, based on the RER metric.
More in depth information can be found online on how it works.
Dimensions 4.02 x 1.63 x 1.31 inches
Battery charger, battery dependent on daily usage can last up to 10 days
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sowen08
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8 others
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4 Comments
cilhawkins
Is this used
Mar 26Reply
thethompsonzoo7
@cilhawkins yes
Mar 26Reply
persephonesis
Why are you selling? Was it accurate when checked against ketone strips?
Jun 04Reply
thethompsonzoo7
@drwilson22 it was my friend's. she said it worked, but she just couldn't stick with it.
Jun 16Reply
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@thethompsonzoo7
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Osceola, IA
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About the seller
@thethompsonzoo7
Last Active: Oct 16
Osceola, IA
155
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Sold Listings1 day
Avg. Ship time1
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