Best for
Athletes and biohackers demanding continuous physiological telemetry without recurring SaaS paywalls.
Ultrahuman
Ultrahuman Ring AIR
Ultra-lightweight 2.4g titanium smart ring with medical-grade temperature thermistor, continuous sleep/HRV indexing, and zero subscriptions.
From $349.00
USD is authoritative · crypto amount locks at invoice creation
Verified selection · 12-month warranty
25 available
Why we selected it
Factory sealed retail box with original serial authentication.
Privacy considerations
Subscription-free local pairing and zero forced third-party advertising telemetry.
Shipping & warranty
Shipped in tamper-evident sleeve with rapid tracking.
Specifications
MaterialFighter-jet grade titanium reinforced with Tungsten Carbide Carbon (TCC) physical vapor deposition
Water RatingUp to 100 meters (10 ATM)
Chassis Weight2.4 grams (ultra-light form factor)
Battery Endurance6 days continuous operation; rapid induction charge (20-90 min)
Subscription ModelLifetime subscription-free access to all biometric analytics and firmwares
Motion Inertial Unit6-axis ultra-low-power accelerometer and gyroscope for sleep movement tracking
PhotoplethysmographyInfrared and red dual-spectrum PPG sensors with 16-bit resolution
Temperature ThermistorNon-contact medical-grade infrared skin thermistor
Supporting documents
No additional documents are required for this product.
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