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Smart Ring Heart Rate Blood Oxygen Sleep HRV Heart Rate Variability Stress Test Intelligent Finger Ring Manufacturer

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Smart Ring Heart Rate Blood Oxygen Sleep HRV Heart Rate Variability Stress Test Intelligent Finger Ring Manufacturer

Smart Ring Heart Rate Blood Oxygen Sleep HRV Heart Rate Variability Stress Test Intelligent Finger Ring Manufacturer

Color: Black ,Silver ,Gold

Battery Capacity: 16mAh

Appearance Size: Size 7, Size 8, Size 9, Size 10, Size 11, Size 12, Size 13

Product Weight: 3.2g

Applicable Population: Elderly, Teenagers, Men, Women

Wearing Method: Ring

Applicable System: iOS, Android

After-sales Service: Store Three Guarantees

Packaging List: Ring, Manual, Charger, Packaging Box

Model Inner Diameter Circumference
Size 7 17.4mm 54.6mm
Size 8 18.2mm 57.1mm
Size 9 19mm 59.6mm
Size 10 19.9mm 62.4mm
Size 11 20.7mm 64.9mm
Size 12 21.5mm 67.5mm
Size 13 22.3mm 70.0mm

       

           

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From $9.17

Original: $30.56

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Smart Ring Heart Rate Blood Oxygen Sleep HRV Heart Rate Variability Stress Test Intelligent Finger Ring Manufacturer—

$30.56

$9.17

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Description

Color: Black ,Silver ,Gold

Battery Capacity: 16mAh

Appearance Size: Size 7, Size 8, Size 9, Size 10, Size 11, Size 12, Size 13

Product Weight: 3.2g

Applicable Population: Elderly, Teenagers, Men, Women

Wearing Method: Ring

Applicable System: iOS, Android

After-sales Service: Store Three Guarantees

Packaging List: Ring, Manual, Charger, Packaging Box

Model Inner Diameter Circumference
Size 7 17.4mm 54.6mm
Size 8 18.2mm 57.1mm
Size 9 19mm 59.6mm
Size 10 19.9mm 62.4mm
Size 11 20.7mm 64.9mm
Size 12 21.5mm 67.5mm
Size 13 22.3mm 70.0mm