Beauty on Your Wrist
Highlight
- 1.78″ AMOLED HD display
- 12 workout modes
- IP68 waterproof
- 10 days battery life
- Sleep monitoring
SPEC
| Product name | Haylou RS4 |
| Bluetooth connection | Bluetooth V5.1 |
| Main body size | 45.2*37.2*11.1mm |
| Sensors | Heart rate sensor, motion sensor, blood oxygen sensor |
| Strap width | 20mm |
| Watch weight | 48.6g (with strap) |
| Display | 1.78″ AMOLED display |
| Resolution | 368×448 |
| Battery capacity | 230mAh |
| Battery life | About 12 days (24 hours heart rate monitoring) |
| System requirement | Android 6.0 and above, iOS 11.0 and above. Supported functions will vary with different watches, mobile phones, and countries. |
