1. The portable device monitors the work of personnel through electronic sensors and is at the level of consumer electronics. For some deviations, this is normal. The user must process the data objectively.
2. Please do not compare with hospital equipment while reading, this is not medical equipment!
3. Before use, please scan the QR code on the manual to download the APP, and then use the APP to connect it to the watch.
4. For Android users: please always authorize the app to access all phone functions and always let it run.
5. Please charge it within 2-3 hours after receiving it. It will be closed after long delivery. Thank you!