Note�__ Non-Apple branded products,Compatible with iPhone models Product information: Appearance size: finger circumference 5.2~7.5cm Applicable people: the public Wearing method: finger wear Applicable system: Apple, Android Additional features: short video page turning, e-book reading, music playback, photo and video, waterproof Compatible platforms: Apple, Android Size&nbsp;Information�__ <table> <colgroup><col> </colgroup><tbody><tr> <td>Ring number</td> <td>Finger circumference</td> <td>International code/US code</td> </tr> <tr> <td>number 16</td> <td>52 mm</td> <td>number 6</td> </tr> <tr> <td>number 17</td> <td>56 mm</td> <td>number 7</td> </tr> <tr> <td>number 18</td> <td>60 mm</td> <td>number 8</td> </tr> <tr> <td>number 19</td> <td>64 mm</td> <td>number 9</td> </tr> <tr> <td>number 20</td> <td>69 mm</td> <td>number 10</td> </tr> <tr> <td>number 21</td> <td>73 mm</td> <td>number 11</td> </tr> <tr> <td>number 22</td> <td>75 mm</td> <td>number 12</td> </tr></tbody></table> Packing list:Bluetooth ring*1<img src="https://cc-west-usa.oss-accelerate.aliyuncs.com/1623654257555.jpg" style="max-width:100%;"> <img src="https://cc-west-usa.oss-accelerate.aliyuncs.com/1623654262525.jpg" style="max-width:100%;"><img src="https://cc-west-usa.oss-accelerate.aliyuncs.com/1623654262502.png" style="max-width: 100%;"><img src="https://cc-west-usa.oss-accelerate.aliyuncs.com/1623654262522.jpg" style="max-width: 100%;"><img src="https://cc-west-usa.oss-accelerate.aliyuncs.com/1623654262520.jpg" style="max-width: 100%;">

Color: Number18 - Compatible With , New Smart Bluetooth Ring Wearable Device