Key benefits Accurate, fast tracking: Bluetooth 5.2 dual‑mode RTL8762ESF chip plus VC30F‑S and ST LIS2DOCTR six‑degree‑of‑freedom motion sensor deliver faster pairing (0.8 s), 40% improved stability, and more accurate baseline measurements. Action recognition and context: Automatically identifies 15 preset actions for reliable activity logging and wearing detection so the ring only records when worn. Privacy and security: Encrypted data transmission protects health data while allowing secure sync with the QRing app. All‑day comfort and durability: Lightweight epoxy resin and stainless steel construction for comfortable daily wear and long‑term durability. Core features Sensors and performance: RTL8762ESF chip + VC30F‑S sensor + ST LIS2DOCTR motion sensor enable ‑speed connection, precise motion capture, and intelligent identification of movements. Sleep monitoring with AI analysis: Continuous sleep tracking with detailed charts and AI‑driven daily, weekly, and monthly reports to help you understand and improve sleep quality. Multi‑sport tracking: Supports 100+ sports modes, tracking calories, steps, distance, exercise time, and body temperature for a complete activity profile. Fast pairing and stable connection: Pairing in about 0.8 seconds and improved stability for fewer dropouts during workouts. Privacy and wearing detection: Automatic wearing detection and encrypted data transmission provide privacy and reduce false readings. Materials, waterproofing, and fit Materials: Durable epoxy resin and stainless steel—lightweight and comfortable for all‑day wear. Waterproof rating: 5ATM (can withstand static water pressure to 50 meters). Suitable for hand washing, showering, and shallow swimming without removing the ring. Battery and charging Battery life: Up to 15 days standby and typically 5–7 days of active use depending on settings and frequency of measurements. Charging: Wireless charging case with Type‑C connection; charging time is approximately 1–1.5 hours. A spare Type‑C cable is included. App and data QRing app: View and analyze all health and activity data in the QRing app with no subscription required. AI analysis generates detailed sleep and activity reports for daily, weekly, and monthly trends. Practical use scenarios Daily sleep improvement: Wear the ring overnight to record sleep stages and interruptions. Use the QRing app's AI analysis and reports to adjust bedtime routines and improve sleep quality over time. Workout tracking and recovery: Track runs, cycling, gym sessions, and 100+ other sports modes to see calories burned, distance, time, and body temperature. Automatic action recognition reduces manual logging and improves workout accuracy. Wear‑anytime health monitoring: Keep the ring on during work and leisure—its 5ATM rating and comfortable materials let you monitor steps, body temperature, and activity without interruption. What's included Smart ring Wireless charging case (Type‑C) Spare Type‑C charging cable Technical highlights (summary) Chip: Bluetooth 5.2 dual‑mode RTL8762ESF Sensors: VC30F‑S sensor + ST LIS2DOCTR six‑degree‑of‑freedom motion sensor Action recognition: 15 preset actions Waterproof: 5ATM (50 m static water pressure) Battery: 5–7 days use, up to 15 days standby Charging: Wireless case, Type‑C, 1–1.5 hours App: QRing (no subscription), encrypted data transmission This smart ring is designed for reliable, private health and activity tracking with long battery life, fast pairing, and comfortable daily wear.