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Lowest recorded store prices take priority over announced or launch prices, within the selected source market. Currencies use the dated EUR reference rates. Deposits and recurring charges are excluded from price order; missing prices stay last. Original price records remain visible.

The differences that matter

Viatom Checkme O2 Max

Wrist pulse oximeter with ring sensor records oxygen saturation, pulse and motion.

Keep in mind Registered regional versions may differ. Regulatory clearance and local availability were not independently verified.

Wellue SleepU

Body-worn general-wellness oxygen and pulse trend recording, not diagnosis.

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No subscription fee for reports ↗

Keep in mind Manufacturer specifications; no hands-on verification or independent efficacy assessment.

Published specifications and documented constraints. See the full comparison below for prices and sources.

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Viatom Checkme O2 Max versus Wellue SleepU
Biosensors & healthAdd a model
Viatom Checkme O2 Max - Manufacturer product imagery; shown for product identification.
Biosensors & health · ViatomViatom Checkme O2 MaxProfessional
Wellue SleepU - Manufacturer photograph of Wellue SleepU.
Biosensors & health · WellueWellue SleepUReleased
Prices · all markets
$183.99 USD≈ €165 EURECB 2026-10-12US · Store price · Manufacturer listing; checkout and exact stock not independently verified
1 offer records & sources
$183.99 USD≈ €165 EURECB 2026-10-12 US · Store price
Manufacturer listing; checkout and exact stock not independently verified

Viatom

Checkme O2 Max 72-hour wrist monitor with ring sensor

USD 183.99 direct Wellue maker-brand store price for exact Checkme O2 Max wrist oxygen monitor. Original 72-hour Max identity preserved; this is not the 100-hour Ultra model.Check merchant offer ↗Price source ↗ Checked 2026-10-12
$149 USD≈ €133 EURECB 2026-10-12US · New · Store price · Manufacturer listing; checkout and stock not independently verified
1 offer records & sources
$149 USD≈ €133 EURECB 2026-10-12 US · New · Store price
Manufacturer listing; checkout and stock not independently verified

Wellue

SleepU™ Wrist Sleep Oxygen Monitor

New condition. Exact configuration: standard manufacturer listing. Tax, delivery and any additional components follow the merchant terms.Check merchant offer ↗Price source ↗ Checked 2026-10-12
Designed forWrist pulse oximeter with ring sensor records oxygen saturation, pulse and motion. ↗Body-worn general-wellness oxygen and pulse trend recording, not diagnosis. ↗
Form factorWrist unit with finger-ring sensor ↗Wrist recorder with soft finger-ring optical sensor ↗
ChargingNot verifiedUSB rechargeable ↗
Weight18 g ↗Not verified
SoftwareNot verifiedPhone/tablet/computer reports ↗
SubscriptionNot verifiedNo subscription fee for reports ↗
Model NumberTrade name of S10 ↗Not applicable to this category
MeasurementSpO2, pulse rate and motion ↗Not applicable to this category
Battery LifeUp to 72 hours ↗16 hours for typical use, manufacturer rating ↗
MemoryFour sections, up to 10 hours each ↗Not applicable to this category
SamplingData captured every two seconds ↗Not applicable to this category
Dimensions50 × 30 × 18 mm ↗Not applicable to this category
Sp O2Range0-100% ↗Not applicable to this category
Sp O2Accuracy±2% over 70-100% range (manufacturer specification) ↗Not applicable to this category
SignalsNot applicable to this categorySpO2 / pulse rate / body movement ↗
Measurement IntervalNot applicable to this categoryEvery second ↗
ReportsNot applicable to this categoryPDF / CSV reports ↗
Charging TimeNot applicable to this category2.5 hours, manufacturer rating ↗
AvailabilityExact Checkme O2 Max maker-brand store offer verified; checkout and stock were not independently tested.Manufacturer product listing verified. Shipping territory and exact stock require checking the configured merchant listing.
Important context
  • Registered regional versions may differ. Regulatory clearance and local availability were not independently verified.
  • Manufacturer specifications; no hands-on verification or independent efficacy assessment.
  • Regulatory status and clinical efficacy are not inferred from the maker's screening/AI marketing.
Editorial pick & releaseNo editorial ranking recorded#7 · Our Top 10 Health sensors and monitoringRelease date not verifiedDocumented product in the stated source market; destination availability and checkout not tested.
EvidenceManufacturer source Checked 2026-10-13Manufacturer source Checked 2026-10-12

Battery claims use different conditions and are not a controlled benchmark. “Not verified” is an evidence gap, not a missing feature. Prices are dated regional snapshots. Deposits, bundles and historical launch prices are labelled. Brightness measurement methods and battery workloads vary by manufacturer.