Extremely Lightweight, Worn with Ease - Femometer Ring Air is only 3.3g Weight and 7mm wide. The nano-level PVD coating process, more durable & wear-resistant, while the skin-friendly epoxy resin inner ring ensures comfort all day long. Light yet durable, it combines beauty with practicality.
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 & Daily Use - Up to 30-day battery life with quick charging dock (stores 5 full charges), it supports all-day wear. Magnetic charging and IP68 waterproof rating make it ideal for daily use.
No Subscription Fees - All health data is stored and analyzed through the dedicated Femometer App at no cost—no subscription fees required. From menstrual cycle management to early health awareness, femometer remains dedicated to women's health throughout every life stage.

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