The Watch GT 2 does support blood oxygen saturation monitoring after all, but Huawei left its Sp02 sensor disabled for six months - NotebookCheck.net News
SPo2 Features Missing In GT2 And Band 4 - HUAWEI Community
HUAWEI WATCH GT 2e - HUAWEI Global
HUAWEI Watch GT 2 Pro Smart Watch 1.39'' 5ATM GPS SpO2 Heart Rate Sleep Monitor Smartwatch Fitness Sport Watch For Men - AliExpress
Huawei Watch Tip: How to measure SpO2 Blood Oxygen Level - Huawei Central
Huawei Watch GT 2 vs GT 2e & SpO2 Monitor! - YouTube