Date and Time Wrong – First Use

This may be due to a clock reset after a long storage or the battery has drained completely. After the first connection with the phone, the date and time will be sync’d. Usually a user will receive a device with some battery power, so the date will be normal, but in some special cases the […]

What conditions may cause inaccurate measurements in measuring SpO2/blood oxygen?

The common conditions includes: Poor blood circulation; Generally speaking, for people with poor blood circulation, one of the indications is, the finger is cold to the touch. In this case, you can rub your finger to increase the circulation, or warm up your finger. Nail polish, and/or artificial nails; Flickering or very bright light shining […]