Estimated by Thu, 5 Jun - Thu, 12 JunEstimated delivery Thu, 5 Jun - Thu, 12 Jun
Returns:
30 days return. Buyer pays for return postage. If you use an eBay delivery label, it will be deducted from your refund amount.
Condition:
NewNew
✔The pulse rate waveform is normalized. The pulse rate waveform is also standard. ✔ Resolution: blood oxygen saturation is 1%, pulse rate is 1BPM. ✔ Blood oxygen value display range: 70 to 100% Pulse rate value display range: 30 to 240 BPM.
This product has never worked,the reading was either wrong (way too low)or not there at all ...Change of battery did not help either.Very poor quality.