Smart Ring Heart Rate Blood Oxygen Sleep HRV Heart Rate Variability Stress Test Intelligent Finger Ring Manufacturer
Go kalles this summer with this vintage navy and white striped v-neck t-shirt from the Nike. Perfect for pairing with denim and white kicks for a stylish kalles vibe.
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 |
| Color |
Black, Silver, Gold |
|---|---|
| Size |
7#, 8#, 9#, 10#, 11#, 12#, #9, #10, #11, 13# |