![NORTH EDGE X-TREK Men Sports Smart Watch GPS 360*360dpi Heart Rate SpO2 VO2max Stress 120 Sports Mode Smartwatch For Android IOS NORTH EDGE X-TREK Men Sports Smart Watch GPS 360*360dpi Heart Rate SpO2 VO2max Stress 120 Sports Mode Smartwatch For Android IOS](https://ae01.alicdn.com/kf/S07563ef4dee64c86917fbcd250d1ca7e3/NORTH-EDGE-X-TREK-Men-Sports-Smart-Watch-GPS-360-360dpi-Heart-Rate-SpO2-VO2max-Stress.jpg)
NORTH EDGE X-TREK Men Sports Smart Watch GPS 360*360dpi Heart Rate SpO2 VO2max Stress 120 Sports Mode Smartwatch For Android IOS
![Fossil Gen 6 Smartwatch with customizable dials has the SpO2 sensor for health tracking » Gadget Flow Fossil Gen 6 Smartwatch with customizable dials has the SpO2 sensor for health tracking » Gadget Flow](https://thegadgetflow.com/wp-content/uploads/2021/08/Fossil-Gen-6-Smartwatches-with-customizable-dials-01-1200x901.jpg)
Fossil Gen 6 Smartwatch with customizable dials has the SpO2 sensor for health tracking » Gadget Flow
![Despite the SpO2 / pulse ox being not for medical use, I'm still disappointed in its accuracy. The pulse oximeter on my 245 is consistently out by 7-15%. Pretty much useless, even Despite the SpO2 / pulse ox being not for medical use, I'm still disappointed in its accuracy. The pulse oximeter on my 245 is consistently out by 7-15%. Pretty much useless, even](https://i.redd.it/d7n5yy3i6zz51.jpg)
Despite the SpO2 / pulse ox being not for medical use, I'm still disappointed in its accuracy. The pulse oximeter on my 245 is consistently out by 7-15%. Pretty much useless, even
COROS - It's #techtuesday, so let's talk about the COROS VERTIX Altitude Performance Index. First the watch takes an SpO2 measurement via a wrist Pulse Oximeter which measures the percentage of Hemoglobin
![Garmin Fenix 7 Pro Sapphire Solar GPS Smartwatch with Touchscreen, 47 mm case Size, 24/7 HRV, SPO2, ABC sensors, Climbro & PacePro, Health Snapshot, Underwater Heart Rate, Built-in Flashlight : Amazon.in: Electronics Garmin Fenix 7 Pro Sapphire Solar GPS Smartwatch with Touchscreen, 47 mm case Size, 24/7 HRV, SPO2, ABC sensors, Climbro & PacePro, Health Snapshot, Underwater Heart Rate, Built-in Flashlight : Amazon.in: Electronics](https://m.media-amazon.com/images/I/71N4sNdzp4L.jpg)