Local US Smart Ring with Charging Case for Men Women Heart Rate Blood Oxygen and Sleep Monitor, IP68 Waterproof Multi-sport Mode

Product Highlights

✅ 5ATM Waterproof for Daily Shower, Swimming & Sweat Workouts

✅ Only 3.2g Weight & 2.6mm Ultra-thin Minimalist Ring Design

✅ Premium 314 Stainless Steel, Matte Metal Finish in 3 Colors

✅ Magnetic Charging Case, Full Charge Within 60 Minutes

✅ Up to 15 Days Standby / 6-8 Days Continuous Daily Use

✅ High Precision HX3918 Heart Rate Chip + DA267 Gravity Sensor

✅ All-round Health Tracking: HR, HRV, SpO2, Sleep, Period Tracker

✅ Da Rings APP Records Daily/Weekly/Monthly Health Trend Reports

✅ Bluetooth 5.3 Stable Connection for Android & iOS Phones

✅ Multiple Ring Sizes #7-#13 to Fit All Finger Sizes

Specification

Color:Black,Gold,Silver

Charging: Magnetic Charging Box

CPU:FR8016HA.

Bluetooth Version:BLE 5.0.

Battery capacity:28mAh.

Standy Time:About 45days.

Working Time:About 3-5days.

Charing time:0.5H.

G Sensor:msa310.

Heart Rate Sensor:HX3605.

Waterproof Level:IP68.

Charging Requirement: Charging 1A or less.

System requirements:android5.0+ / ios10.0+.

Size:7(17.4mm)8(18.2 mm) # 9(19 mm) # 10(19.9mm) # 11(20.7mm) # 12(21.5 mm) # 13(22.3 mm)

Core Functional Introduction

❤️ 24H Heart Rate & HRV Monitoring

Equipped with high-precision HX3918 heart rate chip, support real-time heart rate tracking. Adjustable detection frequency from 5 to 60 minutes. Automatically count heart rate zones, record maximum, minimum and average heart rate. Built-in HRV heart rate variability test to reflect physical fatigue status, all data synced to Da Rings APP for long-term trend analysis.

🩸 Blood Oxygen SpO₂ Measurement

One-click blood oxygen saturation test anytime, automatically store the latest 7 groups of detection data. Customizable detection cycle 5–60 mins, help you judge physical oxygen supply status during rest, exercise and sleep.

🌙 Professional Multi-stage Sleep Tracking

Automatically identify deep sleep, light sleep, REM rapid eye movement and awake periods. Generate exclusive sleep score, sleep efficiency and sleep duration statistics. Record average sleep heart rate, max/min HR & HRV, sleep temperature difference and 7-day sleep trend. Support daily, weekly and monthly sleep data reports to help optimize sleep schedule.

🩸 Female Menstrual Cycle Tracker

Exclusive women health function. Pre-input your cycle data in Da Rings APP, the ring will intelligently predict menstruation, ovulation period and send reminders, provide intimate long-term physical care for ladies.

🏃 Activity & Sports Workout Recording

Track all-day step count, burned calories and movement distance. Automatically save all workout sessions, total exercise duration and consumed calories. The APP calculates MET-min activity volume, evaluate your daily exercise sufficiency and offer scientific fitness reference.

💧 3ATM Waterproof Performance

Reach 5ATM professional waterproof standard, resistant to sweat, rain, hand washing. No need to take off the ring during daily water contact, uninterrupted 24-hour health monitoring.

🔋 Convenient Magnetic Fast Charging

Comes with dedicated magnetic charging case, adsorb and charge automatically. Full charge takes less than 60 minutes. Ultra-long battery life: 6–8 days daily normal use, over 15 days standby without frequent charging.

📱 Da Rings APP Data Sync

Connect via Bluetooth 5.3 with stable low-power signal. All health, sleep, sports and cycle data sync to the APP, support permanent storage and multi-cycle data comparison for health trend observation.