Bluetooth Smart Ring: Monitors Blood Oxygen, Heart Rate, Sleep, Steps, and is Waterproof.

Experience seamless health monitoring with this innovative smart ring, designed for those who value both style and functionality. This sleek device tracks your blood oxygen levels, heart rate, sleep patterns, and daily steps, giving you comprehensive insights into your wellness. With a durable waterproof design, it's perfect for everyday wear, ensuring you stay informed about your health no matter where you are. Battery Capacity: 18mAh Physical Dimension: Size 8 18.1mm, Size 9 18.9mm, Size 10 19.8mm, Size 11 20.6mm Product Weight: 4.7G Wearing Method: Hand-worn Applicable Systems: Fully compatible with Android 5.1 (inclusive) and above, iOS 8.0 (inclusive) and above Additional Features: Heart rate/blood oxygen/sleep/health Packing List: Ring + charger + instruction manual + exquisite gift box packaging Manufacture country: China Instructions included: No