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- diyfilters (18292)- Feedback left by buyer.More than a year agoVerified purchaseQuick response and fast payment. Perfect! THANKS!!
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- wholecases (2398)- Feedback left by buyer.More than a year agoVerified purchaseQuick response and fast payment. Perfect! THANKS!!
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Reviews (1)

06 Aug, 2020
I am an mechanical engineer and cannot get any clear beat, also heart monitor jumps between 120-195 which is not realistic at all.
I am a mechanical engineer and cannot get any clear beat, also heart monitor jumps between 120-195, which is not realistic at all. If you are not a pro about this don’t waste your time or money because it doesn’t work.