<ul> <li>HD Bluetooth calling: Built-in loudspeaker, in all kinds of life and sports scenes, raise your hand can be communicated</li> <li>Independent music playback: Play music outside + connect Bluetooth headset to play songs</li> <li>50 days long standby: Improve the intelligent power-saving algorithm to achieve 50 days of strong standby</li> <li>24-hour heart rate monitoring: AI intelligent heart rate, combined with new algorithms, make the data fast and accurate</li> <li>Support external memory up to 128MB, can be used with U disk(not included)</li> <li>10 sports modes, intelligent precision algorithm tailored for those who love sports</li> <li>Custom dial to show your personality</li> </ul> <p><strong>Specification:</strong></p> <ul> <li> <p>Product model: F26</p> </li> <li> <p>App operating system: IOS8.0 or above, Android4.4 or above</p> </li> <li> <p>Sensor: G-sensor</p> </li> <li> <p>Main control: HITOP GR5515</p> </li> <li> <p>Heart rate sensor: Everlight PD70-01C-TR7</p> </li> <li> <p>Vibration reminder: Motor vibration reminder</p> </li> <li> <p>Waterproof rating: IP68</p> </li> <li> <p>Supported languages: Simplified Chinese, Traditional Chinese, English, German, Russian, Japanese, French, Korean, Portuguese, Spanish, Italian, Persian, Vietnamese</p> </li> <li> <p>Size: 1.28'' round screen 240*240</p> </li> <li> <p>Screen type: TFT</p> </li> <li> <p>Bluetooth: BLE 5.1</p> </li> <li> <p>Strap material: silicone strap</p> </li> <li> <p>Watch size: 57.4*50.5*16mm</p> </li> <li> <p>Net weight: 60 g</p> </li> <li> <p>Operation: full touch</p> </li> <li> <p>Battery: polymer lithium ion battery</p> </li> <li> <p>Battery capacity: 320mAh</p> </li> <li> <p>Standby time: 7 days or more</p> </li> <li> <p>Charging method: magnetic charging cable</p> </li> <li> <p>Charging time: about 2 hours</p> </li> </ul>