My three family members and I regret buying this. We each take two readings within minutes and they're 20-30 psi off, meaning we don't know what's our real blood pressure.I tried to return this but there's no return option.For my sister, who has a slim arm, had the pressure reach over 200 psi and she started crying from the pain. I also feel that this cuff is the most uncomfortable cuff I've ever worn.
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