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50% HAYLOU RS4 Plus Smartwatch for Men

Original price was: 105.98$.Current price is: 52.99$.

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HAYLOU RS4 Plus Smartwatch 1.78” AMOLED Display 105 Sports Modes 10-day Battery Life Smart Watch for Men Smart Watch for Women

SKU: 3256803725358654 Categories: , , Tags: , , ,


  • Voice assistant built-in: no
  • Bluetooth-compatible Version: 5.1
  • Metrics measured: Heart Rate Monitor,Sleep Monitor
  • Activity Tracked: Steps Tracker,Calorie Tracker
  • Category: Smart Watches
  • Band Detachable: Yes
  • APP Download Available: Yes
  • Battery Detachable: No
  • Resolution: 368*448
  • Display Size: 1.78inch
  • Movement Type: Electronic
  • Style: SPORT
  • Application Age Group: ADULT
  • Screen Shape: SQUARE
  • Case Material: Precious Metals
  • Band Material: Silica GEL
  • Waterproof Grade: Life Waterproof
  • SIM Card Available: No
  • Mechanism: Yes
  • Multiple Dials: Yes
  • GPS: No
  • Network Mode: 4G
  • Battery Capacity: 220-300mah
  • Rear Camera: None
  • RAM: 256MB
  • ROM: 256MB
  • System: None
  • Type: On Wrist
  • Compatibility: All Compatible
  • Language: English,Russian,Spanish,Portuguese,Italian,german,japanese
  • Function: Passometer
  • Brand Name: Haylou
  • Haylou Model: RS4 Plus
  • Origin: Mainland China
  • Certification: CE
  • Display: 1.78inch AMOLED display
  • Special strap: Magnetic strap
  • Bluetooth: Bluetooth 5.1
  • Workout modes: 105 modes
  • Water-resistance grade: IP68
  • Battery life: 10 days Daily use mode;28 days Basic use mode
  • Application: Haylou Fun
  • Function 2: 24-hour heart rate monitoring
  • Function 3: SpO2 tracking
  • Function 4: Smart sleep monitoring
  • Function 5: 28 days Basic use mode
  • Function 6: watch for men
  • Function 7: SMART WATCH MAN
  • Function 8: Smart watches women

Haylou RS4 Plus Smart watch

1.78″ Retina AMOLED display│368 x 448 pixels│Craft with Metal│105 Sports mode│ 100+ Online Watch Faces

SpO₂ Heart rate, Sleep and Pressure Monitoring│Women’s Health Tracking│One-tap measurement

Power saving mode│To-do list │Pomodoro Timer │Life reminder


The specifications


1.78 inch Retina AMOLED Display, 368 x 448 pixels, 60HZ refresh rate.


SpO₂ Heart rate, Sleep and Pressure Monitoring



Bluetooth 5.1
Battery life

About 10 days (Turn on heart rate monitoring for 24 hours)* Battery life may vary depending on usage, settings, operating conditions, and other factors, so actual results may differ from data on the device. From laboratory.

Download APP

APP Name: Haylou Fun

Smartphone Compatible: Android 6.0 or iOS 11.0 and above


System language: English, Portuguese, German, Italian, Spanish, Japanese.

Sport modes

105 sport modes


Case: plastic

Bezel: Alloy

Stainless steel button: stainless steel

Stainless steel buckle: stainless steel


Material: Durable and comfortable silicone.

The Size

Dial size: 45.2×37.2×10.4mm Weight: 57.6g with bracelet.


Operating temperature: 0° to 45°C. Temperatures below 0°C may affect battery life and performance.

Box packaging

Smart Watch (including standard strap), Magnetic Charging Base, Package, Instruction Manual.




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