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HAYLOU RS4 Plus

Smart Watch
BIGGER THAN EVER
  • 1.78" Retina AMOLED Display
  • 368*448 Pixel
  • Craft with Metal
  • 105 Sports Mode
  • 100+ Online Watch Faces
  • Customized Watch Face
  • SpO2 Heart rate Monitoring
  • Sleep, Monitoring
  • Temperature Monitoring
Haylou RS4 Plus Smart watchHaylou RS4 Plus Smart watches

Haylou RS4 Plus сomparison table

Product
Display
Resolution
Satellite positioning
Sport Mode
Battery life
Health functions
Waterproof
Watch face
System
Strap
Bluetooth version
Bluetooth camera
Haylou RS4 Plus
Haylou RS4 Plus
1.78" large retina
AMOLED fullscreen
368*448
60Hz refresh rate
/
105 modes
10 days Typical usage mode
Blood oxygen, Heart rate, Sleep, and other health functions
IP68
Various watch faces + Customized watch faces
Brand new UI interaction system, switching between multiple view modes
3 fashion colors Magnetic strap
Bluetooth 5.1
No
Amazfit GTS 2 mini
Amazfit GTS 2 mini
1.55" Retina
AMOLED fullscreen
354*306
GPS+GLONASS
68+ modes
14 days Typical usage mode
Huami Self-developed BioTracker 2 PPG biological data sensor
5ATM
Various watch faces + Customized watch faces
PAI Health Assessment System
3 fashion colors
Bluetooth 5.0
Support
Redmi Watch 2 lite
Redmi Watch 2 lite
1.55"square
TFT screen
320*360
GPS/GLONASS GALILEO/BEIDOU
100+ modes
10 days Typical usage mode
Blood oxygen, Heart rate, Sleep, and other health functions
5ATM
Various watch faces
/
6 fashion colors
Bluetooth 5.0
No
1.78" AMOLED Display
& 60Hz Refresh Rate
Haylou RS4 Plus 1.78" AMOLED Display
Haylou RS4 Plus 100+ Online Watch Faces
100+ Online Watch Faces (view mode switching)
105 Sports Modes
Haylou RS4 Plus Magnetic Strap
Magnetic Strap
All-Day Heart Rate Tracking
SpO2 and Temperature Monitoring
Haylou RS4 Plus IP68 Waterproof
IP68 Waterproof

HD Retina Grade AMOLED Display

With 368*448 Pixel's unprecedented visual clarity, the large 1.78-inch screen provides a precise and clear experience anytime, anywhere. The 60Hz refresh rate continues to optimize the user experience, which is rarely for round smartwatches that can be currently available.
368*448
Pixel
1.78-inch
AMOLED Display
60Hz
Refresh Rate
Haylou RS4 Plus HD Retina Grade AMOLED Display

Magnetic Strap is Comfortable to Wear

It can be quickly taken apart and is comfortable to wear and take off. Suitable for people worried about the belt buckle and hole size mismatch.
Haylou RS4 Plus Black Magnetic Strap
Haylou RS4 Plus Watch Faces

100+Online Watch Faces to Suit your style

More than 100+ stylish watch faces, or even upload your photo as the background image for true personalization.
100+
* 10+ watch faces are available at launch time, and more than 100+ other watch faces will be added gradually by the OTA upgrade.

100+ Sport Modes -
A Trusted Fitness Partner

Haylou RS4 Plus has 105 workout modes. It can record real-time exercise data, helping you track and improve your athletic performance.
Man wears Haylou RS4 Plus
Three types UI of Haylou RS4 Plus

Multi UI Main Menu According to Your Style

Haylou RS4 Plus has various kinds of UI operations: a cellular model and 360° unrestrained smooth sliding. Show personality and suit your style.

Smart Sleep Monitoring with Deep Sleep Recording Helper

The percentage of deep sleep is an essential criterion of sleep quality. Haylou RS4 Plus actively monitors sleep time and status to help you develop good sleep habits.
Sleeping woman wears Haylou RS4 Plus
Haylou RS4 Plus SpO2 screen
Smart SpO2 Tracking
Sleepiness and fatigue after high-intensity exercise or work are insufficient oxygen in the body. Raise your wrist to test your blood oxygen level and keep your health under control.
* Monitoring data and results are for reference only, not diagnosis and treatment.
Haylou RS4 Plus Heart Rate Monitoring screen
Smart 24-hour Heart Rate Monitoring
Haylou RS4 Plus can accurately detect your heart rate 24 hours a day and detect even slight change, welly knowing your every heartbeat.
* Monitoring data and results are for reference only, not diagnosis and treatment.
Haylou RS4 Plus Stress Monitoring screen
All Day Stress Monitoring
The Haylou RS4 Plus can monitor your pressure all day-even while sleeping. The watch is a comprehensive and easy-to-use health partner for everyone.
Haylou RS4 Plus Female Cycle screen
Female Menstrual Cycle Reminder
The menstrual period and the ovulation period can be recorded and can be more intimate reminding before coming.
* The world premiere version does not have this function. It will be added gradually by the OTA upgrade. Monitoring data and results are for reference only, not as a basis for diagnosis and medical treatment.

IP68 Dustproof and Waterproof

The watch is IP68 waterproof. There is no need to take off the watch when washing your hands, and you can easily cope with sweating during workouts or stormy rains when you are out.
A man wears Haylou RS4 Plus and washes his hands

10-day Battery Life - No Need Recharging During Workdays

Haylou RS4 Plus packs an existence of super-powerful features in its slim body yet still has enough endurance to last for up to 10 days from a single full charge with typical usage.
10 days
Typical usage
28 days
Basic usage
* 10 days typical usage: All-day heart rate monitoring, sleep monitoring, call reminder twice a day, message reminder 100 times a day; wrist-lift to wake screen 150 times a day; exercise three times a week, run for 60 minutes each time; SpO2 tracking twice.
Haylou RS4 Plus 10-day Battery Life art

Photo

Haylou RS4 Plus on a woman's hand
Woman wears Haylou RS4 Plus
Haylou RS4 Plus on a man's hand
Haylou RS4 Plus on a woman's hand

Parameters

Haylou RS4 Plus Size
Product name
Haylou RS4 Plus
Bluetooth version
Bluetooth 5.1
Supported devices
Android 6.0 or iOS 11.0 and above
Dimensions
45.2*37.2*10.4mm
Strap width
20mm
Weight
57.6g (with strap)
Display
1.78" AMOLED display
Resolution
368x448px
Sensors
Heart rate sensor, motion sensor, SpO2 sensor
Battery capacity
230mAh
Battery life
About 10 days (Turn on heart rate monitoring for 24 hours)
Water-resistance grade
IP68
Operating temperature
0°C~45°C
Sync data platform
Haylou Fun
Workout modes
105 modes