| Display Resolution | 240 x 240 |
|---|---|
| Power Source | Batteries |
| Size | 7 |
| Color | Black |
| Indoor/Outdoor | Indoor/Outdoor |
| Measurement System | Decimal & Imperial |
| Material | Stainless Steel |
| For Operating Systems | Android |
| Brand | JRing |
| Type | Activity Tracker |
| Department | Unisex Adults |
| Measurement Provided | Heart Rate |
| Unit Type | Unit |
| Language | English |
| Manufacturer Warranty | 1 Month |
| Body Area | Hand |
| Sensors | Accelerometer |
| Sport/Activity | Running & Jogging |
| Country of Origin | China |
Check the listing for details. JRing Smart Ring Size 7 Black. Color: Black, Condition: New, Made in China. Listed at 29.99 USD. The JRing Smart Ring Size 7 in Black is a versatile and stylish activity tracker. This smart ring is designed to provide heart rate measurements and is compatible with Android 5.0 and above and Apple IOS 10.0 or later operating systems. Ring is brand new in the box.
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