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| Certification | fcc | Brand Name | none |
| Model Number | yb-m4 | Place of Origin | China |
| Display Type | TFT | Screen | < 2" |
| Display Color | COLOR | Feature | GPS Navigation, bluetooth |
| Operation System | ANDROID, iOS | Camera | No camera |
| Design | rotatable | Movement Type | electronic |
| Band Material | Silica GEL | Case Material | plastic |
| Function | chronograph, WORLD TIME, REMOTE CONTROL, Fitness Tracker | Bluetooth | Bluetooth 4.0 |
| Screen size | 0.96in | Battery | 3.7V, 90mAh |
| Waterproof | IP67 | Function 1 | monitor your sports informations at all times |
| Function 2 | information content, step, calories, distance, weather, heart | Function 3 | Automatically record the number of step, burn calories. |
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