<ul> <li>HD Display: 1.14-inch 3D curved flexible color screen, 135*240 ppi HD display, bringing a clearer and more flexible visual experience. Clear view, smooth operation</li> <li>Bluetooth Call Reminder: When there is an incoming call, pick up the earphone to answer it automatically, without any extra operation, just put it back to hang up, saving time and effort in communication</li> <li>Powerful Battery Life Wonderful Non-Stop: It can be fully charged in 120 minutes. When fully charged, the longest battery life is two days. Regular battery life is also 7 days</li> <li>Daily Life Waterproof: Support washing hands, and wearing it in the rain, to meet the needs of daily life</li> <li>Small Screen, Big Role: Connect Bluetooth to listen to music. It also has functions such as time setting and date setting. Lighten the burden and add energy to a better life</li> </ul> <p><strong>Specifications:</strong></p> <table> <tbody> <tr> <td>Model No.</td> <td>K13S</td> </tr> <tr> <td>Screen size</td> <td>1.14" TFT color screen</td> </tr> <tr> <td>Resolution&nbsp;</td> <td>135*240</td> </tr> <tr> <td>Product material</td> <td>Zinc alloy+PC+ABS</td> </tr> <tr> <td>Interactive mode</td> <td>point-touch</td> </tr> <tr> <td>Talk time</td> <td>4.5H</td> </tr> <tr> <td>Charging time</td> <td>2H</td> </tr> <tr> <td>Battery</td> <td>100mAh</td> </tr> <tr> <td>Normal use</td> <td>60H</td> </tr> <tr> <td>Standby time</td> <td>7days</td> </tr> <tr> <td>Charging interface</td> <td>Charging base</td> </tr> <tr> <td>OS</td> <td>Available on the following devices: IOS, Android, and all types of smartphones</td> </tr> <tr> <td>FLASH</td> <td>4M+32M</td> </tr> <tr> <td>Bluetooth/IC</td> <td>Bluetooth5.2; IC:&nbsp;BT8918C</td> </tr> <tr> <td>Basic Functions</td> <td>Calling, Phone calls reminding, Audio player, Heart Rate, Blood pressure, Blood oxygen, Calories burned, Sleep Monitor, Pedometer, Smart Wake-up, and so on</td> </tr> <tr> <td>Certification</td> <td>FCC, ROHS, CE, Quality Testing Report&nbsp;</td> </tr> </tbody> </table>