Product model: HAYLOU RS4 Plus
Dimensions: 45.2*37.2*10.4 (mm)
Strap width: 20mm
Weight (with strap): 57.6g (including strap)
Display: 1.78″ AMOLED display
Resolution: 368×448
Bluetooth: Bluetooth Ver: 5.1
Sensors: Heart rate sensor, motion sensor, SpO2 sensor
Battery capacity: 230mAh
Supported devices: Android 6.0 or iOS 11.0 and above
Daily battery life: About 10 days (Turn on heart rate monitoring for 24 hours)
Standby battery life: About 28 days
Water-resistance grade: IP68
Sync data platform: Haylou Fun
Workout modes: 105 modes
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