OnePlus Watch 3
Where It Has the Edge
- blood oxygen tracking is 4.0 vs 1.0. Blood oxygen tracking is present for sleep and health checks, with reviewers noting SpO2 monitoring as part of...
- ECG functionality is 2.8 vs 1.0. ECG support is a major caveat: hardware or global support exists, but US and North American availability is...
- battery life is 4.7 vs 3.5. Battery life is the clearest strength, with reviewers repeatedly reporting multi-day endurance that beats most Wear OS rivals.
- outdoor visibility is 4.7 vs 3.6. Outdoor visibility is excellent, with repeated praise for sunlight readability and high-brightness AMOLED performance.