femometer Ring Air, Ultra-Thin Smart Ring(Size 8)

Price: $159.00 - $151.00
(as of Oct 08, 2026 15:49:04 UTC – Details)
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Product description

1 Exclusive BBT Technology

2 Hot Flash Monitoring

Femometer Ring Air

Femometer Smart Ring

CYCLE

BBT

SLEEP

Heart Rate/HRV/SpO2

Stress/Steps/Cal

Metal/Epoxy resin

Material

Ceramic/Metal

Charging Dock

Charging Method

Charging Stand

CYCLE

BBT

SLEEP

Heart Rate/HRV/SpO2

Stress/Steps/Cal

Metal/Epoxy resin

Material

Ceramic/Metal

Charging Dock

Charging Method

Charging Case

Femometer Ring Gen1

Femometer Ring Gen2

Ultra-Lightweight Smart Ring for All-Day Comfort: Designed for everyday wear, the femometer Ring Air weighs just 3.3g and features a slim 7mm profile. The durable PVD-coated exterior resists daily wear, while the smooth epoxy resin inner surface provides lasting comfort. Lightweight, stylish, and built for continuous tracking day and night.
Exclusive Technology, Precision Monitoring – Femometer Ring Air features the industry’s first triple-temperature sensors, combined with integrated PPG and a 3-axis accelerator, it accurately tracks BBT, heart rate, blood oxygen, sleep, stress, etc. Beyond monitoring, it provides valuable insights such as menstrual cycle analysis, ovulation prediction, and exclusive hot flash detection.
Intelligent Core, Professional Care – The new chip delivers a smaller size and stronger performance. With 3x more memory, doubled data transmission speed. Offering you more professional health insights in a lighter way.
Long Battery Life with Convenient Charging: Enjoy up to 30 days of use with the portable charging dock (stores 5 full charges), which stores multiple additional charges for travel and daily convenience. Magnetic charging and an IP68 waterproof design support active lifestyles, workouts, hand washing, and everyday activities.
No Subscription Required: Access your wellness data, sleep reports, activity records, and personalized insights through the Femometer App with no monthly subscription fees. All features are available after purchase, helping you stay informed about your health and wellness journey without extra costs.