Model: AS-JZ-188
Battery Capacity: 18mAh
External Dimensions: 7#17.3mm, 8#18.1mm, 9#18.9mm, 10#19.8mm, 11#20.6mm
Product Weight: 3.7g
Applicable Population: Unisex
Wearing Method: Finger
Applicable System: Android, iOS
Additional Functions: Sleep, Blood Oxygen, Step Counting
Compatible Platform: iOS Bluetooth Version 5.2
After-sales Service: Three Guarantees in Store
Invoice: Invoice Provided
Packing List: Ring, Manual, Charging Cable/Charging Case, Packaging Box
Color: Stripe Gold
Size:6#,7#,8#,9#,10#,11#,12#,13#
Style: Healthy Intelligent Titanium Steel Ring
| Ring Size Chart for Various Countries | Length (mm) | |||||||
|---|---|---|---|---|---|---|---|---|
| USA | UK | Japan | Germany | France | Switzerland | China | Circumference | Diameter |
| 5 | J 1/2 | 9 | 15.75 | 49 | 9 | 9 | 49.3 | 15.7 |
| 6 | L 1/2 | 12 | 16.5 | 51.5 | 11.5 | 12 | 51.8 | 16.5 |
| 7 | O | 14 | 17.25 | 54 | 14 | 14 | 54.4 | 17.3 |
| 8 | Q | 16 | 18 | 56.5 | 16.5 | 16 | 56.9 | 18.1 |
| 9 | S | 18 | 19 | 59 | 19 | 18 | 59.5 | 18.9 |
| 10 | T 1/2 | 20 | 20 | 61.5 | 21.5 | 20 | 62.1 | 19.8 |
| 11 | V 1/2 | 23 | 20.75 | 64 | 24 | 23 | 64.6 | 20.6 |
| 12 | Y | 25 | 21.25 | 66.5 | 27.5 | 25 | 67.2 | 21.4 |
