Sleep Wearable Form Factor
Compare smart rings, fitness bands, and smartwatches for overnight sleep tracking: comfort, battery habits, and sleep metric depth.
femometer Gen2 Up to 35 days battery life Smart Ring - Sleep, Heart Rate & Cycle Monitoring
Available offers (3)
Current
Up to 35 days battery life
Retailer
RUB 12,837.96
Available to order
Features
- 24/7 HEALTH COMPANION: Continuous heart rate monitoring and HRV tracking provide stress insights and health trends. Track daily activity, steps, and calorie burn. All health data syncs seamlessly with the lifetime free femometer app.
- PROFESSIONAL SLEEP INSIGHTS: Track sleep stages (Deep, Light, REM), blood oxygen levels while you rest. Get detailed sleep scores and personalized recommendations. Smart alarm feature helps optimize your wake times based on sleep cycles.
- ADVANCED CYCLE TRACKING: Revolutionary BBT technology with 1,400+ nightly temperature measurements provides accurate cycle predictions and ovulation detection. Part of trusted femometer ecosystem with 15M+ women worldwide.
- COMFORT MEETS ELEGANCE: Just 2.7mm. Premium ceramic exterior with aluminum core ensures durability while weighing only 3.3g. Scratch-resistant, water-resistant to 100m, and designed for 24/7 wear. Size First with femometer Sizing Kit.
- SIMPLE & RELIABLE: Up to 35-day battery life with quick charging case (stores 5 full charges). Pair with femometer app to get lifetime subscription. Compatible with iOS and Android. Includes 1-year warranty and dedicated customer support. Regular firmware updates ensure continuous improvement.
General specs
- Brand: femometer
- Model: Gen2
- Seller: Retailer
- ID: B0DJ31JPRB
- OS: Wear OS 3.0
- GPS: No GPS
- Weight: 3.7 Grams
- batteries: 2 C batteries required. (included)
- Item Weight: 0.131 ounces
- manufacturer: LOLLIPOP TECHNOLOGY (HANGZHOU) CO., LTD
- Special Features: Cycle Tracking, Activity Tracker
- Country of Origin: China
- What's in the Box: Femometer Smart Ring, Charger Case, USB Cable, Quick Start Guide, Manual
- Package Dimensions: 3.2 x 3.2 x 2.4 inches
- Date First Available: September 27, 2024
- Human Interface Input: Buttons
- Other Display Features: Wireless
- Connectivity Technologies: Bluetooth
- Standing Screen Display Size: 1 Inches
- First listed by seller: April 4, 2025
If you are interested in more details, you can find full information on the seller's page.
Price History for seller Retailer
Shipping options
Delivery to 
Russia
Russia
Available
Meet the femometer Smart Ring Gen2—your sleek, around-the-clock health sidekick. It's not just another wearable; it's a game-changer for women's health, packing continuous heart rate and HRV tracking to keep tabs on stress and overall wellness. Think of it as having a personal health coach on your finger.
Ever wondered what your sleep's really like? This ring's got you covered with deep dives into your sleep stages (Deep, Light, REM) and blood oxygen levels. Plus, its smart alarm is like a gentle nudge at the perfect time, so you wake up feeling like you actually slept.
Here's the kicker: with over 1,400 nightly temperature readings, its BBT tech is like a fertility crystal ball, offering spot-on cycle predictions and ovulation alerts. It's no wonder 15 million women trust the femometer ecosystem—it's like the secret club everyone wants in on.
Style meets substance with this ring. Light as a feather (just 3.3g!) and tough as nails, its premium ceramic and aluminum build laughs in the face of scratches and water up to 100m. Pro tip: grab the sizing kit first to ensure a perfect fit—because comfort is key when you're wearing it 24/7.
Battery anxiety? Not here. With up to 35 days on a single charge and a case that holds 5 more, it's the epitome of set-it-and-forget-it. Sync it with the femometer app (lifetime subscription included), and you're golden. Works with iOS and Android, backed by a 1-year warranty, and with updates that keep it getting better. Oh, and the customer support? They're the cherry on top.
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| Brand | femometer | POBOVi | JHYLJSH | TIAZUUX | LISASRING | Victormont |
| Model | Gen2 | Gen 1 | 2024 | Smart Ring | R26 | Gen-11 |
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| Price | RUB 12,837.96 | RUB 7,141.56 | RUB 2,165.74 | RUB 4,813.73 | RUB 7,221.00 | RUB 8,023.42 |
| Seller | Retailer | Retailer | Retailer | Retailer | Retailer | Retailer |
| Update | May 12, 2026 | Mar 21, 2026 | Dec 17, 2025 | May 3, 2026 | Mar 21, 2026 | Mar 21, 2026 |
| batteries | 2 C batteries required. (included) | 1 AAA batteries required. (included) | 1 Nonstandard Battery batteries required. (included) | |||
| Item Weight | 0.131 ounces | 2.39 ounces | 2.9 Grams | 5.3 ounces | ||
| Country of Origin | China | China | China | |||
| Package Dimensions | 3.2 x 3.2 x 2.4 inches | 2.99 x 2.91 x 1.73 inches | 3.54 x 3.15 x 1.49 inches | 3.98 x 3.94 x 1.85 inches | ||
| Date First Available | September 27, 2024 | August 27, 2024 | October 28, 2024 | |||
| Battery Life | 7 d | 5-7 days of use, 15 days of standby | 20 days with wireless charging case | |||
| Compatibility | Android 5.1 or above, iOS 8.0 or above | iPhone, Android | iOS, Android | |||
femometer Gen2
RUB 12,837.96
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