Is it possible to measure continuously? Or a whole night measurement?
yes, you could choose measured continuously, no matter what day or night.
How many user ID ?
The handheld pulse oximeter can store up to 10 IDs and each user can store 300 sets of data, suitable for the whole family.
The device keeps beeping/alarming all the time, very noisy, what should I do?
1.When the pulse sounds, press "PULSE" button to turn off. Press again to turn on when needed.
2.When alarms, press the mute button in the lower left corner to turn off. When you need the alarm sound again, press again to turn it on.
Unable to charge via base.
There is a magnetic connection between the device and the base. This may be because the magnet has been displaced. Take the magnet off and put it back on again. Just try charging again.
Have bluetooth function?
yes,it have. You also share the measurements with others or print them out.