• Comfortable and lightweight wearing experience sets it apart from other smart wearable products
• It can monitor health situation, such as heart rate, blood oxygen, blood pressure, etc
• Combining fashion simplicity with elegance, both inside and outside, it is the pinnacle of both aesthetics and hardware strength
• The intelligent ring is equipped with the most efficient hardware to provide accurate information monitoring data
• It's lightweight and mini size, convenient to put into your pocket for storage

Specifications:

• Style: 17 (inner diameter and circumference 53.4MM); 20 (inner diameter and circumference 62.8MM); 22 (inner diameter and circumference 69MM)
• System requirements: android5.0+ / ios10.0+
• Main control chip: FR8016HA
• Bracelet memory: 512KB
• Bluetooth-compatible version: 5.0
• Heart rate sensor: HX3605
• Temperature sensor: NOVOSENSE NST112c
• Battery capacity: 28mAh
• Working standby: about 3~5 days
• Charging method: wireless charging (including charging compartment)
• Waterproof grade: IP68
• Gravity sensor: MEMS msa310
• Bluetooth-compatible distance: 3~5 meters
• APP: Google: JSRings, iSO: JSRing
• APP languages: English (default), Arabic, Czech, Danish, German, Spanish, Farsi, French, Italian, Japanese, Dutch, Portuguese, Romanian, Russian, Turkish, Simplified Chinese
• Heart rate measurement: support
• Blood oxygen measurement: support
• Blood pressure measurement (algorithm): support
• Multidimensional sleep monitoring: support
• Pedometer: support
• Calories: support
• Temperature measurement (skin temperature measurement): support