App
| Basic Information | |
| Model | LYNWO M4 |
| Color | Black /blue /rose red |
| Material | Case， Medical class ABS+ PC， Band， Medical class TPU |
| Display Size | 0.86 Inch OLED screen，96*32dbi |
| Description | 1: Blood pressure test |
| 2: Smart heart rate | |
| 3: Switch between portrait and landscape screen | |
| 4: Sports records (step， calorie ， distance) | |
| 5: Sleep monitoring. | |
| 6: Moving and sleeping information sharing | |
| 7: Alarm clock remind | |
| Processor | Nordic51822 (lowest power Bluetooth chip) |
| Senser | 3-axis accelerometer |
| Operation | Touch |
| NFC | Support |
| Motor | Support |
| Motion | Support |
| Compatible OS | Compatible with Android 4.3 and above / iOS 7.0 and above Bluetooth V4.0 smart phones |
| Language | Chinese， English， Japanese， Korean， German， Russian， Spanish， Italian， French， Vietnamese |
| Bluetooth | Bluetooth 4.0 |
| Antenna | Ceramic antenna |
| Dimensions | 46.3mm×18mm×13.4mm |
| Net Weight | 20g (Including battery) |
| Battery | 180mAh Li-polymer battery |
| Standby time | 8 days |
| Waterproof level | IP67 |
| Package | |
| Weight | 80g |
| Accessories | 1 x Band |
| 1 x Charging Cable | |
| 1 x User Manual | |