R09 SIZE 8 Smart Ring, Support Heart Rate / Blood Oxygen / Sleep Monitoring / Multiple Sports Modes(Silver)

The R09 SIZE 8 Smart Ring is a wearable device designed to monitor heart rate, blood oxygen levels, and sleep patterns. It is suitable for tracking fitness activities across multiple sports modes.

• Chipset: Realtek
• Bluetooth Version: 5.2
• Sensor Chip: ST LIS2DOCTR4
• Battery Capacity: 14mAh
• Battery Life: 5-7 days of use; 15 days of standby
• Charging Time: Approximately 1.5 hours
• Water Resistance: 5ATM
• Size: 8 (Diameter: 18.3mm; Circumference: 57.5mm)
• Charging Method: Magnetic 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