Femometer Smart Ring Gen2 Sizing Kit

Presale

Femometer Smart Ring Gen2 + Sizing Kit

$269.00

Estimated shipping date is November 30th

We recommend ordering our free size kit.

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Unique Benefits

No subscription fee
1-year quality warranty. 30-day free return if not satisfied
High accuracy, 24/7 wearable, up to 35-day battery life with portable charging case
Durable and waterproof

Heart rate (HR), heart rate variability (HRV), respiratory rate, basal body temperature (BBT)

How to Use

Quality Warranty

Is It Right for Me

What’s Included

Technical Details

Specification	Detail
Temperature Accuracy	Single temperature measurement error ≤ ±0.1°C (between 30°C and 37°C ) or ±0.18°F (between 86°F and 98.6°F), resolution 0.01.
Weight & Dimensions	Width: 8mm. Thickness: 2.8mm. Weight: Size 6: 3.8g, Size 7: 4.0g, Size 8: 4.2g, Size 9: 4.5g Charging case size: Φ55*24.5mm
Material	Outer ring: Wear-resistant, non-fading oxidized porcelain. Inner side surface: Recycling Aluminum Anodizing, reducing friction and enhancing wearability. Charging contact points: Silver-plated for corrosion resistance.
Connectivity	Bluetooth connectivity for seamless integration with the Femometer App. Automatic firmware updates via the Femometer App.
Single Sync Time	Within 1 minute
Communication Distance	Within 3 meters without obstruction
Battery & Power	Up to 7 days of battery life on a single full charge. Full charge achieved in ≤ 1.5 hours.
Charging case battery life	5 full charges of Femometer ring gen2
Protective Performance	IP68 Waterproof. Suitable for washing hands.