Spectra Ring

Brand Name: jiansu
Model Number: TK8
Certification: ce
Certification: FCC
Activity Tracked: Activity Tracker
Activity Tracked: Steps Tracker
Activity Tracked: Distance Tracker
Activity Tracked: Calorie Tracker
Waterproof Grade: 5ATM
Case Material: Ceramic
Item Weight: 5g
NFC Support: No
Origin: Mainland China
Metrics measured: Heart Rate Monitor
Metrics measured: Blood Pressure Monitor
Metrics measured: Sleep Monitor
Metrics measured: Blood Oxygen Monitor
Metrics measured: Stress Monitor
Battery Capacity(mAh): 20
Display screen: No