These are $10 discs from Amazon that I was charged $30 for.
V.I.P Digital Presence
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
通常価格
$30.56 USD
通常価格
セール価格
$30.56 USD
配送料はチェックアウト時に計算されます。
数量
受取状況を読み込めませんでした
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 |
