R21 Smart Ring with Heart Rate Blood Oxygen Sleep Tracking AI Health Monitor Waterproof Fitness Tracker

Overview

Slim & Lightweight Design: Ultra-thin profile (2.3mm thickness) and light weight (2.7g), ensuring comfortable all-day wear without bulkiness.

Comprehensive Health Monitoring: Tracks heart rate, blood oxygen (SpO2), body temperature, HRV, stress levels, and sleep quality for holistic health insights.

AI-Powered Analysis: Utilizes cloud-based AI large models to provide personalized health data interpretation and recommendations.

Smart Activity Tracking: Monitors steps, distance, calories burned, and supports multiple sports modes for fitness enthusiasts.

Long Battery Life: Offers 5-7 days of typical usage on a single charge with quick magnetic charging capability.

Waterproof Durability: Rated 5ATM waterproof, suitable for swimming and daily water exposure.

Gesture Control & Remote Features: Supports gesture control for phone interactions, remote camera shutter, and device finding functions.

Specifications

Ring Sizes: Size 6 (16.5mm), Size 7 (17.3mm), Size 8 (18.1mm), Size 9 (18.9mm), Size 10 (19.8mm), Size 11 (20.6mm), Size 12 (21.4mm), Size 13 (22.2mm).

Dimensions: Band width 6.08mm; Body thickness 2.3mm.

Weight: Approx. 2.7g (Size 10).

Material: Stainless Steel.

Colors Available: Black, Silver, Champagne Gold, Rose Gold.

Chipset: Nordic nRF 54L15.

Memory: RAM 256KB, NVM 1.5MB.

Sensors: Accelerometer (ST LIS2DOC), Heart Rate Sensor (Tianyi Hexin 3697), Body Temperature Sensor.

Connectivity: Bluetooth 5.4 Low Energy.

Battery Type: Polymer Lithium-ion.

Battery Capacity: 16mAh (Sizes 8-13); 13mAh (Sizes 6-7).

Charging Method: Magnetic Charging Dock.

Charging Time: Approx. 1.5 hours.

Usage Time: 5-7 days active use; 15 days standby.

Waterproof Rating: 5ATM.

Compatibility: Android 5.1+ and iOS 9.0+.

App Name: QRing.

Supported Languages: English, Chinese, Spanish, French, German, Italian, Japanese, Korean, Russian, Portuguese, Arabic, Hindi, Thai, Vietnamese, and more.

HS Code Suggestion

8517620000

Packing List

smart ring*1magnetic charger*1user manual*1gift box*1