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COROS Linx Smart Helmet In-Depth Review

www.dcrainmaker.com/2016/10/coros-linx-smart-helmet-review.html

It’s pretty well protected in there from water: While charging the unit will pulse a reddish color, and once fully charged it’ll illuminate green.

Suunto 9 Peak: Everything you ever wanted to know

www.dcrainmaker.com/2021/05/suunto-9-peak-everything-you-ever-wanted-to-know.html

Comparing it to a EU medically certified pulse oximeter, produces inconsistent and rather low results, usually off by 6-10 units.

A weekend bouncing up and down the East Coast (and a look at the new Joule GPS)

www.dcrainmaker.com/2012/07/weekend-bouncing-up-and-down-east-coast.html

You may remember her from the cute photo (end of that post) when she was getting my pulse after my Ironman 70.3 Providence race a few years back.

5 Random Things I Did This Weekend

www.dcrainmaker.com/2016/05/random-things-did-this-weekend-24.html

Some people have put watches on potatoes, meat, and other objects to get a fake pulse.

Garmin Venu SQ In-Depth Review

www.dcrainmaker.com/2020/09/garmin-venu-sq-in-depth-review.html

The back of the watch includes the charging port and the same Garmin Elevate optical sensor with PulseOx found on most Garmin devices in the last 18 months or so.

A Quick Look at the Withings Go Activity Tracker

www.dcrainmaker.com/2016/01/withings-go-activitytracker.html

As you’ll recall Withings has an established footprint in the world of sports gadgets with their Activité line of watches, their WiFi scale, their Aura sleep system, and their Pulse activity and heart-rate device.

Garmin Instinct Solar Review: What’s New & Different

www.dcrainmaker.com/2020/07/garmin-instinct-solar-review-whats-new-different.html

Additionally, it swaps out for the newer Garmin ELEVATE optical HR sensor, adding in PulseOX.

Garmin Forerunner 165 In-Depth Review: Best Budget Running GPS?

www.dcrainmaker.com/2024/02/garmin-forerunner-165-in-depth-review.html

The green light is for regular heart rate recordings, while the red light is for blood oxygenation levels (Garmin calls this Pulse Ox).

My Winter 2015-2016 Sports Gadget Recommendations

www.dcrainmaker.com/2015/11/winter-sports-gadget-recommendations.html

Seriously – they’re near identical scales (exempting the more advanced WS-50 with pulse and air monitoring, and body fat).

Polar’s New H9 Heart Rate Strap: Everything you ever wanted to know

www.dcrainmaker.com/2020/01/polars-new-h9-heart-rate-strap-everything-you-ever-wanted-to-know.html

And finally, for the pièce de résistance, I’ll connect to it with my treadmill via analog 5kHz connectivity (showing pulse at 74).

Apple to Sell Apple Watch Ultra 2 & Series 9 Tomorrow without Blood Oxygen Feature

www.dcrainmaker.com/2024/01/apple-to-sell-apple-watch-ultra-2-series-9-tomorrow-without-blood-oxygen-feature.html

It should be pointed out that Apple has counter-sued Masimo for other heart rate sensor things, and additionally, Masimo themselves are also being sued by another company claiming that Masimo infringed upon their wrist-based pulse oximeter patent.

Nations Triathlon 2008 Race Report

www.dcrainmaker.com/2008/09/nations-triathlon-2008-race-report.html

They took my pulse and asked me all sorts of questions, including “Was this your first triathlon?”.

Apple To Halt Sales of Apple Watch Ultra 2 & Series 9: Explained

www.dcrainmaker.com/2023/12/apple-to-halt-sales-of-apple-watch-ultra-2-series-9.html

I would like to speak with you about an article you wrote in August 2014 in which you reviewed the Epson Pulsense.

An update on the Dash, the wireless heart-rate monitoring music headphones

www.dcrainmaker.com/2015/01/the-dash-bragi-update.html

On the backside of the unit on the ridgeline in the middle is the tiny little pulse oximeter sensor that measures your heart rate.

Fitbit Makes Some Premium Subscription Features Free

www.dcrainmaker.com/2023/03/fitbit-makes-some-premium-subscription-features-free.html

“Designed for customers seeking a simpler solution for monitoring their wellbeing, the vívosmart 5 features at-a-glance health stats for Pulse

COROS VERTIX Adventure GPS Watch: Hands-on with their new premium watch

www.dcrainmaker.com/2019/05/coros-vertix-adventure-gps-premium-watch-hands-on.html

Next, you’ll notice the updated optical sensor package, which includes an SpO2 sensor, for measuring pulse oxygen levels.

Garmin Forerunner 265/265S In-Depth Review: AMOLED in Two Sizes!

www.dcrainmaker.com/2023/03/garmin-forerunner-265-265s-review-amoled.html

The green light is for regular heart rate recordings, while the red light is for blood oxygenation levels (Garmin calls…

Garmin Forerunner 965 In-Depth Review: Now with AMOLED Display!

www.dcrainmaker.com/2023/03/garmin-forerunner-965-in-depth-review.html

The green light is for regular heart rate recordings, while the red light is for blood oxygenation levels (Garmin calls…

Hands-on with the Moxy Muscle Oxygen Sensor

www.dcrainmaker.com/2014/11/muscle-oxygen-sensor.html

Previous finger-clip style pulse oximeters didn’t see much shift in SmO2 because they were attached to the wrong parts of the body for athletes.

Cannondale SmartSense System Long-Term Review: Synapse 1 RLE

www.dcrainmaker.com/2023/02/cannondale-smartsense-synapse-1-rle.html

I use always-on (no pulse), because again, flashing lights are frowned upon in much of Europe.

5 Random Things I Did This Weekend

www.dcrainmaker.com/2014/10/5-random-things-i-did-this-weekend-8.html

At about 6:30AM, it was raining like the jet pulse setting on a tree-sized shower head.

Week in Review–April 21st, 2019

www.dcrainmaker.com/2019/04/week-in-review-april-21st-2019.html

5) Withings restores Pulse Wave Velocity to weight scales: You’ll remember this feature was included when the scales launched a few years ago, but was pulled a short bit later due to concerns around validity.

Garmin Instinct Crossover Series In-Depth Review: It’s Got Hands!

www.dcrainmaker.com/2022/11/garmin-instinct-crossover-in-depth-review.html

Additionally, this sensor package also monitors SpO2 if you’ve enabled it (Blood Oxygen levels), which Garmin calls PulseOx.