




Price: $21.99
(as of Sep 03, 2026 08:15:52 UTC – Details)
Product description

No monthly fee. Ever. Tracks activity, sleep, and heart rate. Available in Black, Gold, Silver.

Sleep. Heart Rate. SpO2. Automatically tracks deep sleep, light sleep, REM, heart rate, blood oxygen, and HRV. All data in the app.

Check on your family’s health. Add parents, spouse, or other family members, or even your best friends. View their heart rate, sleep, and activity from your phone. One account, multiple rings.


14+ days total. Ring battery: 5-7 days. Charging case extends to 14+ days. Recharge anywhere. USB-C included.


Titanium. IP68. 2.3g. Lightweight, skin-friendly, and durable. Safe for swimming and showering.


Find your fit. Control your data. Refer to size chart (Sizes 7-12). Snug fit required. You control your health data. Delete anytime. No hidden fees.
【Titanium & No Subscription】Crafted from high-quality titanium alloy, the Ring D2 weighs only 2.3 grams and is skin-friendly for all-day wear. No monthly subscription fee. All health data is accessible through the dedicated app with no hidden costs.
【Portable Charging Case】Includes a portable charging case with a built-in battery. The case stores power independently, allowing you to recharge without a direct power connection. Total usage with the charging case is 14+ days. Ideal for travel.
【24/7 Health & Activity Tracking】Tracks heart rate, blood oxygen (SpO2), HRV, and sleep stages including deep sleep, light sleep, and REM. The Ring D2 provides daily activity data such as steps, calories burned, and walking distance through the mobile app.
【IP68 Waterproof & Daily Durability】IP68 waterproof rating allows for safe use during handwashing, swimming, and showering. The titanium construction is scratch-resistant and designed for daily wear, from workouts to sleeping.
【Sizing Guide & Quick Start】Before purchasing, refer to the size chart (Sizes 7-12) to confirm your finger size. After receiving the ring, remove the protective film and charge for 10 minutes before first use. Continuous wear for 7 days is recommended to establish a data baseline.
