femometer Smart Ring Gen2 Smart Ring - Sleep, Heart Rate & Cycle Monitoring: Continuous heart rate monitoring
Meet the femometer Smart Ring Gen2—your new best friend for staying on top of your health, especially tailored for women. It’s not just about counting steps; this little powerhouse keeps an eye on your heart rate around the clock and even tracks HRV (that’s heart rate variability, for the uninitiated) to give you the lowdown on your heart’s well-being. And when it comes to sleep, it’s like having a sleep scientist on your finger—delivering professional sleep insights that break down your night into Deep, Light, and REM stages, plus a sleep score that might just make you rethink that midnight snack.
But wait, there’s more. Feeling stressed? The ring’s got your back with stress monitoring that nudges you when you’re wound tighter than a spring. And for those days when you’re more couch potato than gym bunny, the step and calorie monitoring gently (or not so gently) reminds you to get moving. Oh, and let’s not forget the advanced BBT technology—taking over 1,400 temperature readings while you snooze to nail those cycle predictions and ovulation detection with scary accuracy.
All this tech comes wrapped in a sleek, comfy design that weighs about as much as a couple of paperclips (just 3.3g, to be exact) and can handle a dip up to 100m. With battery life that stretches up to a week and a free Femometer app to tie it all together, it’s like having a health guru with you 24/7—minus the judgmental looks.
- Professional sleep insights
- Advanced cycle tracking
- Stress monitoring
- Step and calorie monitoring
- Continuous heart rate monitoring
General specs
- Brand: femometer
- Model: Smart Ring Gen2
- Seller: Amazon
- package_dimensions: 3.2 x 3.2 x 2.4 inches
- item_weight: 3.5 Grams
- batteries: 2 C batteries required. (included)
- customer_reviews: 69 ratings, 3.8 stars
- date_first_available: September 27, 2024
- manufacturer: LOLLIPOP TECHNOLOGY (HANGZHOU) CO., LTD
- country_of_origin: China
- standing_screen_display_size: 1 Inches
- First listed by seller: 6/12/25
If you are interested in more details, you can find full information on the seller's page.
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Shipping options
United States
Comparison with similar products
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femometer Smart Ring Gen2 Continuous heart rate monitoring
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| Brand | femometer | femometer | femometer | spywkn | RingConn | KNGAD |
| Model | Smart Ring Gen2 | Gen2 | Gen2 | Gen 2 | ||
| Color | ||||||
| Rating |
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| Price | $199.00 | $199.00 | $199.00 | $49.99 | $299.00 | $69.98 |
| Seller | Amazon | Amazon | Amazon | Amazon | Amazon | Amazon |
| Update | July 17, 2025 | June 27, 2025 | June 27, 2025 | June 27, 2025 | July 18, 2025 | June 27, 2025 |
| Battery Life | Up to 7 days | 3-5 days per full charge, 400mAh battery provides 15 recharges | 10-12 days | |||
| Compatibility | iOS, Android | iOS, Android | Android & iOS | |||
Avery M.
Vancouver, BC
June 17, 2025
As someone in my later years, I was cautious about trying this, but it's become a trusted part of my daily routine. I often ask myself, 'Does this really help me stay healthy?' and the answer is yes—it gives me peace of mind about my heart and sleep. I appreciate that it's designed with women in mind, though I wish it were more affordable. Overall, it's a wonderful tool that I'd recommend to others, especially if you're looking to keep an eye on your well-being without any fuss. 😊
- Pros: I love how comfortable it feels on my finger, almost like it's not even there, and it keeps track of my heart all day long. The sleep insights are incredibly detailed, helping me understand my rest better, and it's great for monitoring my cycles with such accuracy. The battery lasts a long time, and the app is easy to use, making it a reliable companion for my health.
- Cons: It could be a bit too expensive for my budget, and sometimes I worry if the readings are always correct, but I might be wrong about that. The stress alerts can feel a bit nagging at times, and it doesn't work well if I forget to charge it regularly.