HSR02 Smart ring
Ring size（mm）：No.8 18.1mm, No.9 18.9, No.10 19.8mm, No.11 20.6mm
Weight：4.7g
Color：Deep Grey, Rose Gold
Chipset： BlueX Micro
App：QRing
Compatible system：Android5.1or above, iOS8.0 or above
FLASH memory：ROM512KB
Connection parameters：BT5.1
Sensor：STK8321
Heart Rate Sensor：Vcare VC30F
Battery：17mAh
Charging mode：Magnetic Charging Cable
Dust Proof & Waterproof Level：IP68
Charging time：About 1H
Life time：5-7 days of use and 15 days of standby
Features :
Best Fitness Ring - Your Ultimate Health Companion
🌙 Advanced Sleep Tracking
The sleep tracker ring delivers professional-grade sleep analysis:
✔ Multi-stage monitoring: Deep/light/REM sleep detection
✔ Sleep quality scoring: Based on movement & heart rate
✔ Smart suggestions: Personalized improvement tips
✔ Silent alarms: Gentle vibration wake-up❤️ best fitness ring support 24/7 Health Monitoring
Our smart ring fitness tracker features:
Medical-grade heart rate sensor: ±3bpm accuracy
Blood oxygen tracking: SpO2 monitoring during sleep
HRV analysis: Stress and recovery insights
Temperature tracking: Basal body temperature trends
🏃 Premium Fitness Tracking
The best fitness ring provides:
➤ Step counting: 98% step accuracy
➤ Calorie tracking: Active/resting calorie burn
➤ Auto-exercise detection: 10+ sport modes
➤ Recovery metrics: Post-workout analysis⚡ Military-Grade Durability
IP68 waterproof: Swim/shower proof
Aerospace titanium: Only 4g weight
Scratch-resistant: Sapphire glass coating
10-day battery: With fast magnetic charging
📱 Smart Connectivity
Free wellness app: No subscription fees
Android/iOS support: Seamless pairing
Health sharing: Family care features
Regular updates: New features added
