R04 SIZE 9 Smart Ring, Support Heart Rate / Blood Oxygen / Sleep Monitoring / Take Photos(Silver)
R04 SIZE 9 Smart Ring, Support Heart Rate / Blood Oxygen / Sleep Monitoring / Take Photos(Silver)
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UK orders under £135 incur no additional fees. Otherwise, duties are only included if shown at checkout — your local government may apply customs fees, which your courier will collect directly from you before delivery.
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Product Details
The R04 SIZE 9 Smart Ring monitors heart rate, blood oxygen levels, and sleep patterns. It also has a remote photo-taking function.
- Product type: Smart Ring
- Compatibility: Android 5.1 or above, iOS 8.0 or above
- Material: Not specified
- Color: Silver
- Intended use: Everyday use
- Chipset: Jeri
- Bluetooth: 5.4
- Sensor chip: STK8321-W4
- 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 9: Diameter 19.1mm; Circumference 60mm
- 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
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