Huawei Watch GT 2 Pro receiving 24 hours continues SpO2 feature with a new update - Huawei Central
Huawei Watch GT 2 can now monitor blood oxygen saturation (SpO2) - Neowin
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
HUAWEI Watch GT 2e] SpO2 Monitoring | Measure Blood Oxygen Saturation Levels at your wrist! - HUAWEI Community
SpO2 monitoring packed Huawei Watch GT2 Pro and Huawei Band 6 for a healthy lifestyle - Ceylon Business Reporter