Accurately identify the movement posture and capture the heart rate change every second Can switch a variety of exercise modes, record the duration of exercise and burn calories IP68 waterproof. Has excellent sealing and dust resistance, not afraid of getting wet, you can wear it in rainy days Record sleep data all the time to help rational planning. Improve sleep, improve sleep quality Support custom dial settings to create your own personalized dial according to your wearing and mood Can be connected to a mobile phone to obtain song information and play mobile phone music Specifications: Material Screen size 1.5-inch color screen Screen type TFT Middle frame material Plastic Cover material Glass Wristband material TPU Product size Length 39.7mm Width 35mm Thickness 10mm Hardware Main chip 5515 Acceleration sensor Support PPG heart rate sensor PD70-01C-TR7 Touch IC Hynitron 816S Touch mode Full touch Physical buttons 1 Motor Flat motor Display 1.5-inch square screen, TFT IPS full viewing angle Resolution 240x280 Flash size 128MB Bluetooth version BLE5.0 Bluetooth antenna FPC welding antenna Battery type Polymer Battery capacity 170mAh 3.7V Charging method Magnetic cable charging DC-5V Charging time About 1 hour Waterproof level IP68 APP supported languages Chinese, German, English, Italian, Spanish, French, Japanese, Russian, Portuguese, French Watch supported languages Chinese, English, German, French, Japanese, Portuguese, Russian, Italian, Spanish, Polish Health Monitor IP68 waterproof Support Heart rate detection Support Heart rate timing monitoring Support Blood pressure detection Support Sleep monitoring Support <td style=