RS4 Plus Specification
Product name: Haylou RS4 Plus
Bluetooth version: Bluetooth 5.1
Supported devices: Android 6.0 or iOS 11.0 and above
Dimensions: 45.2*37.2*10.4mm
Strap width: 20mm
Weight: 57.6g (with strap)
Display: 1.78″ AMOLED display
Resolution: 368x448px
Sensors: Heart rate sensor, motion sensor, SpO2 sensor
Battery capacity: 230mAh
Battery life: About 10 days (Turn on heart rate monitoring for 24 hours)
Water-resistance grade: IP68
Operating temperature: 0°C~45°C
Sync data platform: Haylou Fun
Workout modes: 105 modes
Bluetooth version: Bluetooth 5.1
Supported devices: Android 6.0 or iOS 11.0 and above
Dimensions: 45.2*37.2*10.4mm
Strap width: 20mm
Weight: 57.6g (with strap)
Display: 1.78″ AMOLED display
Resolution: 368x448px
Sensors: Heart rate sensor, motion sensor, SpO2 sensor
Battery capacity: 230mAh
Battery life: About 10 days (Turn on heart rate monitoring for 24 hours)
Water-resistance grade: IP68
Operating temperature: 0°C~45°C
Sync data platform: Haylou Fun
Workout modes: 105 modes
Rauf –
bought Haylou RS4.. Quietly satisfied with product. Good quality and service