R11 SIZE 9 Smart Ring, Support Heart Rate / Blood Oxygen / Sleep / Multiple Sports Modes(Black)

The R11 SIZE 9 Smart Ring is a wearable device that tracks health metrics and physical activity. It supports heart rate measurement, blood oxygen saturation, sleep tracking, and multiple exercise modes.

• Chipset: Realtek
• Bluetooth Version: 5.2
• Sensor Chip: ST LIS2DOC4
• Battery Capacity: 15mAh
• Battery Life: 5-7 days of use; 15 days standby
• Charging Time: Approximately 1.5 hours
• Waterproof Rating: 5ATM
• Size: 9 (Diameter: 19.1mm; Circumference: 60mm)
• Charging Method: Wireless charging
• Compatible Operating Systems: Android 5.1 or above, iOS 8.0 or above
• App: QRing
• Supported App Languages: Danish, Ukrainian, Russian, Croatian, Hungarian, Hindi, Indonesian, Turkish, Hebrew, Greek, German, Italian, Latvian, Czech, Slovak, Slovenian, Japanese, French, Polish, Thai, Estonian, Swedish, Lithuanian, Simplified Chinese, Traditional Chinese, Romanian, English, Dutch, Portuguese, Spanish, Vietnamese, Arabic, Korean, Malay
• Functions: Step count, distance tracking, calorie calculation, health management, stress monitoring, heart rate variability
• Display Features: Time, steps, heart rate, battery level, likes count
• Additional Functions: Remote photo control, ring search, gesture control, gaming, female cycle tracking