dyuanetec Smart Ring for Men, Women – Health & Fitness Tracker with Sleep Monitor, Heart Rate, SpO2, Lightweight Titanium, IP68 Waterproof, Portable Charging Case – No Subscription Fee(Gold, 8#)

Brand: dyuanetec

Color: Gold

Features:

• 【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.

model number: D2

Package Dimensions: 3.2 x 3.2 x 1.3 inches

Languages: English