Smart Ring For Step Counting Heart Rate Blood Oxygen And Sleep Tracking

Product information:
Colors: Black Size 8, Black Size 9, Black Size 10, Black Size 11, Black Size 12, Black Size 13, Black Size 14; Silver Size 8, Silver Size 9, Silver Size 10, Silver Size 11, Silver Size 12, Silver Size 13, Silver Size 14; Gold Size 8, Gold Size 9, Gold Size 10, Gold Size 11, Gold Size 12, Gold Size 13, Gold Size 14
Target Audience: Adults
Battery Capacity: 20 mAh
Additional Features: Activity tracking, body temperature monitoring, blood pressure monitoring, sleep tracking, and blood oxygen level monitoring
Wearing Method: Directly worn on the body