Review on π± 2021 Smart Watch with Call, Health Tracker, Sleep Monitor, Message Reminder, and Music Control - Waterproof for Android iOS by Jermaine Krishnamoorthy
Does not work on dark skin.
Product features such as BP, SPO2, HR and ECG only work on people with fair skin. Doesn't work on dark or colored people. I've tried this with my fair or fair skinned colleagues and everything works fine. Tried it on two other black people and didn't work either.
- Excellent workmanship
- Negative present
New products
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