Features:
• Chipset: AC6323
• Bluetooth: 5.0
• Sensor chip: SC7A20H
• Battery Capacity: 20mAh
• Battery life: 3-5 days of use and 7-10 days of standby
• Charging time: 1-2 hours
• Waterproof: IP68
• Charging method: Magnetic charging
• Compatible system: Android 5.1 or above, iOS 8.0 or above
• APP: Smart Health

Specifications:
• Compatibility: Android 5.1 or Above, Ios 8.0 or Above
• Charging Method: Magnetic Charging
• App: Smart Health
• Dimensions: Diameter 16.5Mm Circumference 51.8Mm (Equivalent To 6.5 Inches)

Package Includes:
• 1 x Smart Ring Size 6 Heart Rate Blood Oxygen Sleep Family Care Rose Gold