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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

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

Regular price $109.99 USD
Regular price $191.50 USD Sale price $109.99 USD
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Workout modes: 105 modes

Waterproof Grade: Life Waterproof

Water-resistance grade: IP68

Voice assistant built-in: No

Type: On Wrist

Style: SPORT

Special strap: Magnetic strap

Screen Shape: Square

SIM Card Available: No

Resolution: 368*448

ROM: 256MB

RAM: 256MB

Origin: Mainland China

Network Mode: 4G

Multiple Dials: Yes

Movement Type: Electronic

Metrics measured: Heart Rate Monitor,Sleep Monitor

Mechanism: Yes

Language: English,Russian,Spanish,Portuguese,Italian,German,Japanese

Haylou Model: RS4 Plus


Function 8:: Smart watches women

Function 7:: SMART WATCH MAN

Function 6:: watch for men

Function 5:: 28 days Basic use mode

Function 4:: Smart sleep monitoring

Function 3:: SpO2 tracking

Function 2:: 24-hour heart rate monitoring

Function: Passometer

Display Size: 1.78inch

Display: 1.78inch AMOLED display

Compatibility: All Compatible

Certification: CE

Category: Smart Watches

Case Material: Precious Metals

Brand Name: Haylou

Bluetooth-compatible Version: 5.1

Bluetooth: Bluetooth 5.1

Battery life: 10 days Daily use mode;28 days Basic use mode

Battery Detachable: No

Battery Capacity: 220-300mah

Band Material: Silica gel

Band Detachable: Yes

Application Age Group: Adult

Application: Haylou Fun

Activity Tracked: Steps Tracker,Calorie Tracker

APP Download Available: Yes

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: 45.2x37.2x10.4mm 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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