R04 SIZE 13 Smart Ring, Support Heart Rate / Blood Oxygen / Sleep Monitoring / Take Photos(Black)

The R04 SIZE 13 Smart Ring is a wearable device that monitors heart rate, blood oxygen levels, and sleep patterns. It is compatible with Android 5.1 or above and iOS 8.0 or above, making it suitable for various health management applications.

• Chipset: Jeri
• Bluetooth Version: 5.4
• Sensor Chip: STK8321-W4
• Battery Capacity: 15mAh (18mAh for size 9 and above)
• Battery Life: 5-7 days of use, 15 days standby
• Charging Time: Approximately 1.5 hours
• Waterproof Rating: 5ATM
• Size: 13 (Diameter: 22.4mm; Circumference: 70mm)
• Charging Method: Magnetic charging
• Compatible Operating Systems: Android 5.1 or above, iOS 8.0 or above
• App: QRing
• Supported 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, heart rate measurement, blood oxygen saturation, HRV, stress tracking, sleep tracking, multiple exercise modes, remote photo control, ring search, female physiological reminders
• Packing List: Smart ring x 1, Charging line x 1, User manual x 1, Original retail box x 1