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Deal
- Retina HD display
- Heart rate monitoring
- Sleep monitoring
- 20 days battery life
Deal
Specification:
| Device | RS4 |
| Shape | Rectangular |
| Dimension | 45.2*37.2*11.1mm |
| Weight | 48.6g |
| Colors | Black |
| Display | IPS |
| Screen Size | 1.78 Inch |
| Screen Resolution | 368 x 448pixels |
| Compatible Os | Android & IOS |
Deal
- SpO2 tracking
- AMOLED HD display
- Customized watch face
- 5 ATM waterproof
- GPS satellite positioning