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Fitness Trackers with Blood Oxygen (SpO2)

All Fitness Trackers

25 fitness trackers with blood oxygen (SpO2) from MorePro, Cevstho, Fitvii and more. Most cost $40 to $129, and half cost less than $59.

All filtersFilters (2)×
No subscription: No subscription  ×Blood oxygen (SpO2): Blood oxygen (SpO2)  ×Clear all
BrandAcmoy1Benio1Cevstho1Colmi1Free Shark1Fuomuto1Hitienx1HollowTree1
Show all 22Kasvuc1Lumthou1MaxKite1MorePro1Opove1Rewsx1S Secrettop1TrackJoy1UniJethro1UouNeaCo1Vanberray1Viyona1Wnrtsa1XUV1
TypeSmart ring24Screenless band1
Who it is forWomen5
Battery daysUnder 10 days6
WaterproofWaterproof21
Blood pressureBlood pressure2
No subscriptionNo subscription25
Heart rateHeart rate24
Sleep trackingSleep tracking23
Step counterStep counter8
Blood oxygen (SpO2)Blood oxygen (SpO2)25
PriceUnder $509Under $7515Under $10019Under $15011Under $2003Under $2502$25 & above22$50 & above13$100 & above3
Clear allShow 25 Fitness Trackers
No subscription: No subscription  ×Blood oxygen (SpO2): Blood oxygen (SpO2)  ×25 resultsSort byRecommendedSpec scorePrice: low to highPrice: high to low
RewsxSpec score 9.5

Smart ring

+Tracks heart rate, blood oxygen, steps and sleep
+Waterproof for swimming and showering
+No subscription fee required
−Smart ring form is less suited to dashboard-style data
$42.61-28%Was: $58.98
as of 11/04/2026 03:40 PST - Details
ChendssfkdSpec score 9.5

Smart ring, Women

+Tracks heart rate, blood oxygen and sleep
+IP68 waterproof for water exposure
+No subscription fee required
$29.99-25%List: $39.99
as of 11/04/2026 03:40 PST - Details
VanberraySpec score 8.3

Smart ring, Under 10 days

+Tracks heart rate, blood oxygen and sleep
+Works without a phone
+No subscription fee needed
−Battery lasts under 10 days
$47.98-20%List: $59.99
as of 11/04/2026 09:39 PST - Details
MorePro

Screenless band

+Screenless band for minimal distraction
+Tracks heart rate around the clock
+Monitors blood oxygen and blood pressure
−No screen for viewing data on the device
$69.99
as of 11/04/2026 00:16 PST - Details
MaxKiteSpec score 9.1

Smart ring, Women, Under 10 days

+Slim ring form for discreet daily wear
+Tracks heart rate, blood oxygen and sleep
+Designed for women's health tracking
−Battery lasts under 10 days per charge
No price recorded yet.
HitienxSpec score 9.5

Smart ring, Women

+Tracks heart rate, blood oxygen and sleep
+Ultra-thin smart ring form factor
+Works without a phone
−Designed for women, so the audience is limited
$52.17-10%List: $57.97
as of 11/03/2026 23:24 PST - Details
FkgzjfSpec score 9.5

Smart ring

+Tracks blood oxygen, heart rate, and HRV
+Includes stress level and step tracking
+Waterproof ring suits daily wear and washing
−Ring form offers no display for reading data
$45.12-10%Was: $50.13
as of 11/03/2026 22:58 PST - Details
AcmoySpec score 9.5

Smart ring

+Tracks heart rate, blood oxygen, and sleep
+Ceramic smart ring design in a compact form
+No subscription fee required to use it
$71.99-10%Was: $79.99
as of 11/04/2026 00:23 PST - Details
TrackJoySpec score 9.1

Smart ring, Under 10 days

+Tracks heart rate, blood oxygen, HRV and stress
+Tracks sleep in a compact smart ring
+Waterproof for wear in water
−Battery lasts under 10 days
$59.99
as of 11/04/2026 09:39 PST - Details
FkgzjfSpec score 9.5

Smart ring

+Tracks heart rate, blood oxygen, HRV and stress
+Includes sleep and step tracking
+Waterproof for wear in water
−Ring form has no display for reading data on the device
$58.98
as of 11/04/2026 03:40 PST - Details
OpoveSpec score 9.1

Smart ring, Under 10 days

+Tracks blood oxygen in a smart ring
+Waterproof for wet conditions
+No subscription required
−Battery lasts under 10 days per charge
$199.99
as of 11/04/2026 00:33 PST - Details
FuomutoSpec score 9.1

Smart ring, Under 10 days

+Measures heart rate and blood oxygen
+Smart ring form factor
+No subscription required
−Battery lasts under 10 days
$79.00
as of 11/03/2026 23:04 PST - Details
HollowTreeSpec score 9.5

Smart ring, Women

+Tracks heart rate, blood oxygen, steps and sleep
+Waterproof for wear in water
+No subscription required to use tracking features
−Ring form has no display for reading data on the device
$49.98
as of 11/04/2026 03:40 PST - Details
UouNeaCoSpec score 9.5

Smart ring

+Tracks heart rate, blood oxygen and sleep together
+Lists sports modes and skin temperature tracking
+Waterproof design suits swimming and showering
−Ring form factor means no on-device display for live readouts
$39.99
as of 11/04/2026 06:40 PST - Details
CevsthoSpec score 9.1

Smart ring, Under 10 days

+Tracks heart rate, blood oxygen, steps and sleep
+Waterproof for wear in water
+No subscription required to use tracking
−Battery lasts under 10 days per charge
$129.90
as of 11/03/2026 22:20 PST - Details
XUVSpec score 9.5

Smart ring

+Ring form is discreet to wear all day
+Tracks heart rate, blood oxygen and sleep
+Waterproof for everyday wear
−Ring form has no display
$79.99
as of 11/04/2026 08:40 PST - Details
UniJethroSpec score 9.5

Smart ring

+Measures blood pressure and temperature
+Tracks heart rate and blood oxygen
+Tracks sleep without a phone
$39.99
as of 11/04/2026 03:40 PST - Details
ViyonaSpec score 9.5

Smart ring

+Tracks heart rate, blood oxygen and sleep
+Waterproof for swimming and showering
+No subscription fee required
$42.99
as of 11/04/2026 03:40 PST - Details
ColmiSpec score 9.5

Smart ring

+Tracks heart rate and blood oxygen in a ring
+Works without a phone nearby
+No subscription required to use tracking
$75.98
as of 11/03/2026 22:26 PST - Details
Free SharkSpec score 9.5

Smart ring

+Tracks heart rate, blood oxygen, steps and sleep
+Smart ring form factor
+No subscription required
$59.99
as of 11/03/2026 23:02 PST - Details
KasvucSpec score 9.5

Smart ring

+Tracks heart rate, blood oxygen and sleep
+No subscription fee required
+Smart ring form factor for discreet wear
No price recorded yet.
Wnrtsa

Smart ring

+Smart ring form factor with no watch face
+Tracks heart rate, blood oxygen and sleep
+No subscription required
No price recorded yet.
LumthouSpec score 9.5

Smart ring

+Tracks heart rate, blood oxygen, steps and sleep
+No subscription required to use features
+Smart ring form factor for discreet wear
$99.99
as of 11/04/2026 00:03 PST - Details
S Secrettop

Smart ring, Women

+Tracks heart rate, blood oxygen and sleep
+No subscription required
+Designed for women
$199.99
as of 11/04/2026 01:37 PST - Details
BenioSpec score 9.5

Smart ring

+No subscription (only 25 of 69 here have one)
$28.99
as of 11/04/2026 12:41 PST - Details

Compare specs

fitness trackerTypeSpec scorePrice
Smart ring9.5$42.61
as of 11/04/2026 03:40 PST - Details
Smart ring9.5$29.99
as of 11/04/2026 03:40 PST - Details
Smart ring8.3$47.98
as of 11/04/2026 09:39 PST - Details
Screenless bandn/a$69.99
as of 11/04/2026 00:16 PST - Details
Smart ring9.1No current price
Smart ring9.5$52.17
as of 11/03/2026 23:24 PST - Details
Smart ring9.5$45.12
as of 11/03/2026 22:58 PST - Details
Smart ring9.5$71.99
as of 11/04/2026 00:23 PST - Details
Smart ring9.1$59.99
as of 11/04/2026 09:39 PST - Details
Smart ring9.5$58.98
as of 11/04/2026 03:40 PST - Details

Before you buy

Other features

Smartwatches1,628Wearable Wristbands93Smart Glasses77Fitness Clip Accessories53Binoculars228Network Cables1,382Cameras2,556PC Cases264Chromebooks196CPU Coolers393Processors247Desktops1,531

Popular filters

Fitness Trackers with Sleep Tracking156Fitness Trackers under $100141Fitness Trackers with Heart Rate140Waterproof Fitness Trackers134Fitness Trackers under $75129Fitness Trackers under $50102Fitness Trackers with Step Counter85Smart Rings79

Fitness Trackers by use

Fitness Trackers with No Phone Needed25

Spec scores, pros and cons, and prices are explained in the How it works section of the About page.