HAYLOU RS4 /2 watches


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.


Haylou rs4/ 2 watches through Qisst pay


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