Smart Ring Health Tracker with Charging Case Sleep Heart Rate & Blood Oxygen Monitor 5ATM+IP68 Waterproof Fitness Ring No Subscription 5-7Day Battery iOS & Android Compatible for Men Women silver 9#

Price: $49.99
(as of Dec 27, 2025 11:37:29 UTC – Details)

From the brand

The Craft of Intelligent Living

Casatelier fuses ‘Casa’ (Home) and ‘Atelier’ (Workshop). We believe technology needs a craftsman’s touch, not just cold hardware. In our digital atelier, we treat every device as functional art—obsessing over design and precision to make your daily life simpler, smarter, and more beautiful.

Casatelier smart ring

Zero Monthly Fees & Portable Power: Unlike other smart rings, Casatelier offers full access to your health data with no app subscription required. Includes a premium Charging Case (plus 2 backup cables) to extend playtime（30 days）, making it the perfect travel companion. Enjoy 5-7 days of battery life on a single charge and recharge on the go.
Master Your Sleep Quality: Designed for comfort, this ultra-lightweight sleep tracker is less intrusive than a watch. It automatically monitors your sleep stages (Deep, Light, REM) and naps, providing a comprehensive sleep score. Wake up to detailed insights and optimize your rest without wearing bulky devices.
24/7 Health Guardian: Equipped with advanced sensors for continuous Heart Rate, Blood Oxygen (SpO2), HRV and Stress monitoring. Track your body’s recovery and daily trends via the user-friendly App. Supporting Data Sharing, it allows you to care for family members by viewing their health reports remotely.
Fitness Tracker for Every Move: Whether you are running or swimming, this fitness ring has you covered. Rated 5ATM & IP68 waterproof, it withstands depths up to 50 meters. Tracks steps, calories, and distance accurately. Note: Please select the correct size using the sizing guide before purchase.
Smart Control at Your Fingertip: More than just a tracker. Use the ring as a Remote Control to take photos or change music tracks on your phone. Features OTA updates to keep your ring current and flickering reminders for incoming calls and messages, compatible with both iOS & Android devices.