We are, without a doubt, a disposable civilization.
Attach the included lanyard to the case or directly to the oximeter for easy reach anytime.
You can also use it for checking the pulse signal strength and with a high level of accuracy, you will find it excellent for your needs.
Make sure the battery is fully charged before you use the unit for the first time.
Record and store a reading up to 10 hours continuously.
However, the device is only an indicator.