R20 SIZE 9 Smart Ring, Support Heart Rate / Blood Oxygen / Sleep Monitoring / Multiple Sports Modes(Black)

Smart ring that supports heart rate, blood oxygen, and sleep monitoring. It features multiple sports modes for tracking various activities.

• Product type: Smart Ring
• Compatibility: Android 5.1 or above, iOS 8.0 or above
• Color: Black
• Chipset: AC6323
• Bluetooth: 5.0
• Sensor chip: SC7A20H4
• Battery Capacity: 15mAh
• Battery life: 3-5 days of use, 7-10 days standby
• Charging time: About 1-2 hours
• Waterproof rating: IP68
• Size: 9 (Diameter: 18.9mm; Circumference: 59.5mm)
• Charging method: Magnetic charging
• APP: Smart Health
• APP support languages: English, Simplified Chinese, Traditional Chinese, Russian, Ukrainian, German, French, Italian, Spanish, Portuguese, Polish, Greek, Romanian, Hungarian, Czech, Slovak, Irish, Croatian, Swedish, Danish, Finnish, Arabic, Farsi, Norwegian, Japanese, Korean, Thai, Vietnamese
• Functionality: Steps, miles, calories, motion data recording; heart rate, blood pressure, blood oxygen monitoring; sleep monitoring; body fatigue assessment; multiple exercise modes (running, cycling, skipping, hiking, mountaineering, yoga, golf, dancing)
• Packing list: Smart ring x 1, Charging cable x 1, User manual x 1, Original retail box x 1