Two shipping method :DHL/Post
| Display type | TFT-LCD |
| Screen size | 1.3" |
| Resolution | 240*240 |
| Water Resistance Rating | 5 ATM |
| MCU | GR5515， BLE 5.1， 1MB FLASH + 256KB RAM |
| Flash | 64Mb |
| IMU | STK8321 |
| PPG heart rate sensor | PD70-01C-TR7 |
| Bluetooth | BLE5.1 |
| Battery | 260mAh |
| System requirements | IOS 8.0+/Android4.4+ |
| Multi-language support | 9 languages |
| Basic functions | Clock, date display Data storage OTA upgrade |
| Daily activity monitoring | Heart rate Sleep Steps Calorie Distance Active time |
| Sports functions | 10 sport modes（Outdoor Walking ／Outdoor Running ／Outdoor ／Outdoor Riding / Indoor Walking ／ Indoor Running ／Indoor Bicycle / Elliptical Machine / Stepper Machine / Rowing Machine） |
