Smart-Tech Timepiece Smartwatch 1.78'' AMOLED Display

$129.99 $259.98
With the HAYLOU RS4 Plus Smartwatch, take your fitness regime to the next level! This stylish and advanced smartwatch comes packed with an array of features to help you track your progress and achieve your goals.

Get a complete picture of your activity levels - from running and cycling to swimming - on the vivid 1.78" AMOLED Display. With over 105 sport modes at your disposal, keep tabs on every facet of your workout routine. Never miss any notifications or calls during gruelling workouts as this smartwatch for men & women keeps you connected.

The benefits are immense, ranging from monitoring heart rate and sleep patterns, blood oxygen saturation level (SpO2) monitor functionality is available in-built making it a go-to device for those engaged in sports whether professionally or recreationally!. You can even sync up with other devices such as Apple Health kit- making data accessible anytime anywhere so that you always stay on track towards achieving improved health outcomes!

• Precisely tracks 105+ sport modes
• Vivid display screen
• Long battery life
• Inbuilt Sp02 Monitor.
• Heart rate & Sleep tracking alongside Blood pressure measurements.

- Stylish design
- 10-day battery life
- Customizable watch faces

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.