Meet Ember
Everything starts at your fingertip.
Select a number to see what each part does.
Why athletes use Ember
Know what is happening inside, not just how you feel.
Improve elevation training
Understand how you are adapting to altitude and how long to train there.
Know your body better
Track hemoglobin, oxygen content, pulse rate variability and seven other blood measures for daily insight.
Spot signs of overtraining
Watch oxygen content, pulse rate and variability across activities to catch warning signs early.
10 parameters, one sensor
Explore what Ember measures.
Select a parameter to see what it is, its typical range, and why it matters for training.
Parameter 1 of 10
Hemoglobin
The protein in red blood cells responsible for delivering oxygen to the tissues.
Typical range12–15.5 g/dL (females) · 13–17.2 g/dL (males, adults 18+)
Why measure it
Tracking hemoglobin helps you understand workout intensity, fluid shifts, recovery and the effects of elevation training.
Features
Painless readings, clear trends.
“I use Ember three to four times a day to gain insights into several critical biomarkers I wouldn’t access without blood tests. The device is simple, painless and has become integral to my training.”
Validated against clinical standards.
Ember is built on peer-reviewed research so every reading is accurate, reliable and meaningful.
As featured in
Sports IllustratedSky NewsBicyclingRunner’s WorldSGB Media
Buy your Ember today.
Pair it with the Ember app on your iPhone and start tracking in minutes.