WHOOP MG (27.3g Conductive-Clasp ECG, Blood Pressure Insights & 14-Day AI) & Muse S Athena ($475 41g 256Hz EEG + 64Hz fNIRS Brain Headband) Comparison
Cardiovascular-biopotential, cuff-calibrated blood-pressure, and prefrontal fNIRS+EEG comparison of the WHOOP MG ($359/yr Life tier, 27.3g IP68 screenless strap featuring conductive-clasp single-lead ECG AFib screening, overnight systolic/diastolic Blood Pressure Insights, Healthspan AI, and 14+ day Wireless PowerPack battery) and Muse S Athena ($474.99, 41g soft fabric headband uniting 4-channel 256Hz EEG with 5-optode 64Hz fNIRS cerebral blood-oxygenation sensing).
⚡ Key Engineering & Supply-Chain Takeaways
- WHOOP MG ($359/yr Life tier, 27.3g, 34.7×24.0×10.6mm, IP68 10m) integrates conductive clasp pads for FDA-cleared single-lead ECG AFib screening alongside cuff-calibrated overnight systolic/diastolic Blood Pressure Insights.
- Extends continuous runtime to 14+ days per charge in a 7% smaller enclosure and supports unbroken on-wrist recharging via the slide-on Wireless PowerPack.
- Muse S Athena ($474.99, 41g soft silver-thread headband) fuses 4-channel (+4 aux) 256Hz 14-bit dry EEG with a 5-optode 64Hz 20-bit bilateral frontal cortex fNIRS sensor, triple-wavelength PPG, and 10-hour battery life for cognitive endurance and true sleep-stage neurofeedback.
🔬 Technical & Supply-Chain Specification Matrix
| WHOOP MG ($359/yr Life) | 27.3g (34.7×24×10.6mm IP68 10m) / Conductive-Clasp ECG (AFib) + Overnight Systolic/Diastolic BP |
|---|---|
| WHOOP MG Endurance & AI | 14+ Day Battery + Slide-On Wireless PowerPack / Healthspan Pace-of-Aging & WHOOP Coach LLM |
| Muse S Athena Gen 3 ($475) | 41.0g Soft Silver-Thread Fabric Headband / 4-Ch 256Hz (14-Bit) EEG + 5-Optode 64Hz (20-Bit) fNIRS |
| Athena Sleep & Brain AI | Triple-Wavelength PPG + 3D IMU + 10h USB-C Battery / Muse Foundational Brain Model Biofeedback |
27.3g 14-Day Wrist ECG & Blood Pressure Straps vs 41g Dual-Modal EEG + fNIRS Prefrontal Brain Headbands
Official specifications from WHOOP and Muse (InteraXon) highlight two specialized clinical and neuro-biometric wearables:
- WHOOP MG ($359/yr Life, 27.3g): Combines on-demand single-lead ECG AFib screening, cuff-calibrated overnight Blood Pressure Insights, IP68 10m durability, and 14+ day Wireless PowerPack endurance.
- Muse S Athena ($474.99, 41g): Pairs 4-channel 256Hz dry EEG with 5-optode 64Hz frontal cortex fNIRS blood-oxygenation tracking across 10 hours of overnight sleep and cognitive training.
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27.3-gram (34.7×24.0×10.6mm) screenless IP68 cardiovascular and longevity strap integrating conductive-clasp single-lead ECG Heart Screener (FDA-cleared AFib detection), cuff-calibrated overnight systolic/diastolic Blood Pressure Insights, Healthspan Pace-of-Aging AI coaching, and 14+ day battery life with slide-on Wireless PowerPack charging.
Muse S Athena (Gen 3) 41g Dual-Modal 4-Ch EEG + 5-Optode fNIRS Brain Oxygenation & Sleep AI Headband
41-gram soft silver-thread fabric neurofeedback headband uniting 4-channel 256Hz dry SmartSense EEG (TP9, AF7, AF8, TP10 + 4 auxiliary channels) with a 5-optode 64Hz 20-bit bilateral frontal cortex fNIRS cerebral blood-oxygenation sensor, triple-wavelength PPG, 3-axis IMU, and 10-hour overnight sleep & cognitive endurance AI coaching.
Circular Ring 2 3.0g Single-Lead ECG, FDA-Cleared AFib & Kira AI Titanium Smart Ring
3.0-gram titanium smart ring introducing on-demand single-lead Electrocardiogram (ECG) recording and FDA-cleared Atrial Fibrillation (AFib) detection on the finger, paired with 3-wavelength optical PPG, NTC skin temperature, 8-day battery life, wireless dock charging, and the subscription-free Kira AI health strategist.
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