2025 COLMI R12 Smart Ring With Display Screen

Brand Name: COLMI
Model Number: COLMI R12
Certification: ce
Certification: FCC
Origin: Mainland China
High-concerned chemical: None
Activity Tracked: Activity Tracker
Activity Tracked: Steps Tracker
Activity Tracked: Distance Tracker
Activity Tracked: Calorie Tracker
Waterproof Grade: 5ATM
Case Material: Steel
Item Weight: about 3.3g
NFC Support: No
Metrics measured: Heart Rate Monitor
Metrics measured: Sleep Monitor
Metrics measured: Blood Oxygen Monitor
Metrics measured: Stress Monitor
Battery Capacity(mAh): 15mAh (7#~9#), 18mAh(10#~13#)
Display screen: Yes
Choice: yes