Understanding Pulse Ox | You've heard of Pulse Ox, but what exactly does it do? Pulse oximeter sensors in Garmin watches measure SpO2, the % of oxygenated blood in your... | By
![Garmin Forerunner 955 Solar GPS Smartwatch 47 mm Fiber-reinforced polymer Whitestone 010-02638-01 - Best Buy Garmin Forerunner 955 Solar GPS Smartwatch 47 mm Fiber-reinforced polymer Whitestone 010-02638-01 - Best Buy](https://pisces.bbystatic.com/image2/BestBuy_US/images/products/6513/6513333_sd.jpg;maxHeight=640;maxWidth=550)
Garmin Forerunner 955 Solar GPS Smartwatch 47 mm Fiber-reinforced polymer Whitestone 010-02638-01 - Best Buy
![Garmin Instinct 2 Solar review: smartwatch promising unlimited battery life | Smartwatches | The Guardian Garmin Instinct 2 Solar review: smartwatch promising unlimited battery life | Smartwatches | The Guardian](https://i.guim.co.uk/img/media/3ee7e830cae269bb27fbbd8b5b5fea1dd09994e0/758_743_3915_2349/master/3915.jpg?width=1200&height=630&quality=85&auto=format&fit=crop&overlay-align=bottom%2Cleft&overlay-width=100p&overlay-base64=L2ltZy9zdGF0aWMvb3ZlcmxheXMvdGctcmV2aWV3LTQucG5n&s=f1bae168053097fc8b6dd41f653eca00)