---
product_id: 685582422
title: "Smart Ring Gen2 Ceramic | Sleep, Heart Rate & Cycle Monitoring with Free Subscription | Women's Health & Fertility Tracker with BBT Technology | Size Before You Buy - Size 8"
brand: "femometer"
price: "249481CFA"
currency: XOF
in_stock: true
category: "Femometer"
url: https://www.desertcart.sn/products/685582422-smart-ring-gen2-ceramic-sleep-heart-rate-and-cycle-monitoring
store_origin: SN
region: Senegal
---

# Water-resistant up to 100m 35-day battery life with quick charge 1400+ nightly BBT readings Smart Ring Gen2 Ceramic | Sleep, Heart Rate & Cycle Monitoring with Free Subscription | Women's Health & Fertility Tracker with BBT Technology | Size Before You Buy - Size 8

**Brand:** femometer
**Price:** 249481CFA
**Availability:** ✅ In Stock

## Summary

> 💍 Track, Thrive, and Own Your Health Journey with femometer Gen2!

## Quick Answers

- **What is this?** Smart Ring Gen2 Ceramic | Sleep, Heart Rate & Cycle Monitoring with Free Subscription | Women's Health & Fertility Tracker with BBT Technology | Size Before You Buy - Size 8 by femometer
- **How much does it cost?** 249481CFA with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.sn](https://www.desertcart.sn/products/685582422-smart-ring-gen2-ceramic-sleep-heart-rate-and-cycle-monitoring)

## Best For

- femometer enthusiasts

## Why This Product

- Trusted femometer brand quality
- Free international shipping included
- Worldwide delivery with tracking
- 15-day hassle-free returns

## Key Features

- • **Sleep Like a Pro:** Professional-grade sleep stage analysis with blood oxygen monitoring and personalized sleep optimization tips.
- • **Power That Keeps Up:** Up to 35 days battery life with a sleek quick-charge case storing 5 full charges, plus lifetime app subscription and 1-year warranty.
- • **All-Day Health Guardian:** Continuous heart rate & HRV tracking for stress & wellness insights, synced seamlessly with your femometer app.
- • **Elegance Meets Endurance:** Ultra-light 3.3g ceramic ring, scratch & water-resistant to 100m, designed for 24/7 wear with premium durability.
- • **Cycle Tracking Revolution:** Revolutionary BBT tech with 1400+ temperature measurements for pinpoint ovulation and cycle predictions trusted by 15M+ women.

## Overview

The femometer Smart Ring Gen2 Ceramic is a cutting-edge wearable designed for women’s health, combining continuous heart rate, HRV, and advanced sleep monitoring with revolutionary basal body temperature (BBT) technology. Lightweight and durable with a premium ceramic finish, it offers 35-day battery life, water resistance up to 100m, and syncs effortlessly with the femometer app, providing personalized insights and cycle predictions trusted by over 15 million users worldwide.

## Description

desertcart.com: femometer Smart Ring Gen2 Ceramic | Sleep, Heart Rate & Cycle Monitoring with Free Subscription | Women's Health & Fertility Tracker with BBT Technology | Size Before You Buy - Size 8 : Electronics

## 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.
- 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.

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B0DJ31JPRB |
| Additional Features | Activity Tracker, Cycle Tracking, Lightweight, Wireless Charging |
| Age Range Description | Adult |
| Band Material Type | Ceramic, Aluminum |
| Battery Average Life | 7 days |
| Battery Capacity | 21 Milliamp Hours |
| Battery Cell Type | Lithium Ion |
| Best Sellers Rank | #8,197 in Electronics ( See Top 100 in Electronics ) #33 in Smart Rings |
| Brand | femometer |
| Built-In Media | User Manual |
| Color | Gold |
| Communication Feature | Bluetooth |
| Compatible Devices | Smartphone |
| Compatible Phone Models | All current iPhone models, all current Android models |
| Connectivity Technology | Bluetooth |
| Customer Reviews | 3.9 3.9 out of 5 stars (257) |
| Display Type | No Display |
| GPS Geotagging Functionality | No GPS |
| Human Interface Input | Buttons |
| Item Dimensions D x W x H | 0.11"D x 0.11"W x 0.11"H |
| Item Weight | 3.7 Grams |
| Manufacturer | LOLLIPOP TECHNOLOGY (HANGZHOU) CO., LTD |
| Metrics Measured | Heart Rate Monitor, Sleep Duration, Body Temperature, Activity Tracker |
| Model Number | 42616f15-b2f2-4c4a-9129-287f3771f45c |
| Operating System | Wear OS 3.0 |
| Screen Size | 1 Inches |
| Shape | Round |
| Style Name | Ring Only |
| Supported Application | Alarm, Fitness Tracker, Heart Rate Monitor, Sleep Monitor, Time Display |
| Target Audience | Girls, Women |
| UPC | 810115236429 |
| Unit Count | 1.0 Count |
| Warranty Description | 1 Year Manufacturer |
| Warranty Type | Standard |
| Water Resistance Depth | 1.5 Meters |
| Water Resistance Level | Water Resistant |
| Wearable Computer Type | Smart Ring |
| Wireless Compability | Bluetooth |

## Product Details

- **Battery Capacity:** 21 Milliamp Hours
- **Battery Cell Composition:** Lithium Ion
- **Brand:** femometer
- **Connectivity Technology:** Bluetooth
- **GPS:** No GPS
- **Operating System:** Wear OS 3.0
- **Screen Size:** 1 Inches
- **Shape:** Round
- **Special Feature:** Activity Tracker, Cycle Tracking, Lightweight, Wireless Charging
- **Wireless Communication Standard:** Bluetooth

## Images

![Smart Ring Gen2 Ceramic | Sleep, Heart Rate & Cycle Monitoring with Free Subscription | Women's Health & Fertility Tracker with BBT Technology | Size Before You Buy - Size 8 - Image 1](https://m.media-amazon.com/images/I/51BYpkcMRZL.jpg)

## Available Options

This product comes in different **Color, Size** options.

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**Shop now:** [https://www.desertcart.sn/products/685582422-smart-ring-gen2-ceramic-sleep-heart-rate-and-cycle-monitoring](https://www.desertcart.sn/products/685582422-smart-ring-gen2-ceramic-sleep-heart-rate-and-cycle-monitoring)

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*Product available on Desertcart Senegal*
*Store origin: SN*
*Last updated: 2026-07-21*