Haylou RS4 Max Calling Smart Watch


SKU: TE-122 Categories: , ,



  •  Body Material: Metal
  • Size:  48.3*39*11.4mm (mm)
  • Weight: 61.3g ( including strap)
  • Button: 1 side button
  • Strap Type: Magnetic silicon
  • Watch strap size: 22mm
  • Water-resistance Grade: IP68
  • Color: Midnight blue/Star silver


  • Display Type: TFT HD display
  • Display Shape: Square
  • Display Size:  1.91’’
  • Display Resolution: 320*380 Pixel
  • Cloud-based watch faces: Yes


  • Battery Capacity:  270 mAh
  • Battery Life: In daily usage mode, the battery life can reach up to 9 days, and the standby time can reach up to 25 days.
  • Charging: Up to 2 hours
  • Charging type: Magnetic

Sensors & Connection

  • Sensor: Heart rate sensor, motion sensor, blood oxygen sensor
  • Connection : Bluetooth: v5.3
  • System requirements: Android 6.0 and above, iOS9.0 and above
  • Application: Haylou Fun
  • Package Contains: 1 device, 1 charging cable, 1 user manual

 English (default), Chinese, Traditional Chinese, Czech, German, Spanish, Arabic, Hindi, Indonesian, Italian, Thai, Polish, Portuguese, Russian, Vietnamese, Turkish, French.

Sports modes:

125+ sports modes: Outdoor walking, Race walking, Outdoor running, Marathon, Outdoor cycling, Unicycle, Hiking, BMX, Trail running, Roller skating, Trekking, Rock climbing, Surfing, Kayaking, Hunting, etc.

Additional information


Dual Strap Blue, Dual Strap Silver


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