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Product details
The R04 SIZE 8 Smart Ring monitors heart rate and blood oxygen levels. It also tracks sleep and allows remote photo taking.
- Product type: Smart Ring
- Compatibility: Android 5.1 or above, iOS 8.0 or above
- Chipset: Jeri
- Bluetooth: 5.4
- Sensor chip: STK8321-W
- Battery Capacity: 15mAh (18mAh for size 9 and above)
- Battery life: 5-7 days of use and 15 days of standby
- Charging time: around 1.5 hours
- Waterproof: 5ATM
- Size 8: Diameter 18.3mm; Circumference 57.5mm
- Charging method: Magnetic charging
- APP: QRing
- APP support 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
- Daily activities: Step count, distance, calorie calculation
- Health management: heart rate measurement, blood oxygen saturation, HRV heart rate variability, stress, sleep tracking, multiple exercise modes
- Other functions: remote control for taking photos, searching for rings, female physiological reminders
- Packing list: Smart ring x 1, Charging line x 1, User manual x 1, Original retail box x 1