Cross-border New Product R10M Smart Ring With Aluminum Alloy And Heart-rate Monitoring

Product information:
Color: Black Size 7, Black Size 8, Black Size 9, Black Size 10, Black Size 11, Black Size 12, Black Size 13, Black Size 14, Silver Size 7, Silver Size 8, Silver Size 9, Silver Size 10, Silver Size 11, Silver Size 12, Silver Size 13, Silver Size 14, Charging Case
Target Audience: General Public
Battery Capacity: 20 mAh
Additional Features: Health Monitoring
Wearing Style: Finger-Worn
Package Contents: Ring, Charging Cable, Manual