Ring Air | Ultra-Thin Smart Ring | Sleep/Heart Rate/SpO2/Stress | Women's Health & Fertility Tracker with BBT Technology | Hot Flash Monitoring | Free Subscription - Size12
The Femometer Ring Air is extremely lightweight and comfortable to wear, weighing only 3.3g with a width of 7mm. Its nano-level PVD coating enhances durability and wear resistance, while the skin-friendly epoxy resin inner ring provides all-day comfort. This design combines a light feel with lasting strength and practical beauty. It features exclusive technology for precise monitoring, including the industry's first triple-temperature sensors, integrated PPG, and a 3-axis accelerometer to accurately track BBT, heart rate, blood oxygen, sleep, and stress. Beyond tracking, it offers valuable insights like menstrual cycle analysis and ovulation prediction. An intelligent core delivers professional care; the new chip is smaller yet more powerful, with 3x more memory and doubled data transmission speed, providing professional health insights in a lightweight form. It boasts a long battery life for daily use, offering up to 30 days on a single charge. The quick charging dock can store 5 full charges, supporting all-day wear. Magnetic charging and an IP68 waterproof rating make it ideal for everyday use. All health data is stored and analyzed through the dedicated Femometer App, supporting everything from menstrual cycle management to early health awareness, dedicated to women's health.
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First Listed on Newegg
June 10, 2026
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Please contact the Seller directly for warranty information. Warranty information may also be found on the Manufacturer's website.