The iHealth Clear blood pressure monitor can be used by two users. Measurements taken are automatically synchronised with the corresponding account.
Each user must have an iHealth account.
*credit to Sylvain of iHealth Labs EU
https://helpcenter.ihealthlabs.eu/hc/en-gb/articles/115005422389-iHealth-Clear-BPM1-Can-several-users-blood-pressure-be-monitored-with-the-iHealth-Clear-