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The R18 SIZE 8 Smart Ring tracks heart rate, blood oxygen levels, and sleep patterns. It is designed for everyday use and supports multiple sports modes.
Product type: Smart Ring
Compatibility: Android 5.0 or above, iOS 10.0 or above
Material: Not specified
Key feature: Supports heart rate, blood oxygen, and sleep tracking
Color/Variant: Black
Category: Smart Wear Electronics
Main Chip: Dialog DA14531-012
Bluetooth: 5.1
Sensor chip: SC7A204
Battery Capacity: 17.5mAh
Battery life: 8-10 days of use, 10-15 days of standby
Charging time: 2 hours
Waterproof: IP65
Size 8: Diameter 18.2mm / 0.72 inch
Charging method: Magnetic charging
Compatible system: Android 5.0 or above, iOS 10.0 or above
APP: JRING
APP support language: multilingual
Packing list: Smart ring x 1, Charging cable x 1, User manual x 1, Original retail box x 1
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