Review on Waterproof Fitness Tracker Smart Watch IP68 for Men and Women with Heart Rate Monitoring & Blood Oxygen Saturation – 1.69-inch Full Touch Screen Smart Watch for iOS Android (Blue) by Russell Smith
O/2 sensor: Smartwatch
Oxygen sensor does not work well Tried on 4 different people and also compared with the fingertip. The clock always reads 99 and never changes.
Pros
- Lots of positive emotions
Cons
- Compatibility
New products
Comments (0)
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