Haylou RS4 Plus Black - Smartwatch

Haylou RS4 Plus, Black, 1.78", AMOLED touch screen, 105 sport modes, black magnetic strap

AMOLED display - 1.78" rectangular design - 368 x 448 pixel resolution - 24/7 heart rate monitor - SpO2 - Sleep tracking - 105 sport modes - Up to 10 days of typical use - Haylou Fun APP - IP67 water-resistant

Haylou RS4 Plus is a waterproof smartwatch with a rectangular form factor and magnetic strap featuring an amazing AMOLED display, 108 sport modes, all-day heart rate tracking and SpO2 monitoring. And now it's bigger than ever!

1.78" rectangular AMOLED display

Haylou RS4 Plus features a 1.78" rectangular AMOLED display with 368 x 448 resolution, 326 pixels per inch pixel density and 60 Hz refresh rate, offering excellent information display and a really comfortable and smooth touch navigation.

Plus, you can choose or customise the design of the dial via the app, as well as the style of the interface - super-sharp details and tailored to your style! What more do you want?

20mm metal strap with magnetic closure

With a sleek and refined aesthetic, Haylou RS4 Plus not only matches your everyday outfit, but elevates your style to the next level. While all three finishes are stunning, here's the black one.

It also comes with a strap with a magnetic clasp, making it suitable for any size wrist.

Not only is it comfortable and very practical, but it can also be easily replaced with a universal 20mm strap. Here at Powerplanet, we have a multitude of replacement straps: synthetic leather, silicone, milanese... Find the one you like best also in the related articles of this product!

Activity tracking with 105 sport modes

Haylou RS4 Plus helps you reach your fitness goals in a smart way. You'll know exactly where you are in your progress by tracking your heart rate, calorie burn and other essential information with the 105 sport modes included.

And don't let the rain when exercising outdoors, the sweat from intense workouts or the splashes from washing your hands keep you awake at night: the Haylou RS4 Plus is IP67* rated for water and dust resistance.

Monitor your health

Any time is a good time to start taking better care of yourself. That's why the Haylou RS4 Plus monitors your heart rate in real time throughout the day, giving you super-accurate data in easy-to-read graphs. It also allows you to measure your blood oxygen saturation level (SpO2) whenever you need it and records your sleep, comprehensively detecting and analysing sleep phases and duration. Follow personalised advice to help you develop good habits, monitor your stress levels and all phases of your menstrual cycle.

230 mAh battery and up to 10 days of typical use

And with a 230 mAh battery, the Haylou RS4 Plus will always be ready to accompany you on your travels and track your progress, saving you from carrying the cable everywhere you go. To be more precise, this smartwatch provides a battery life of up to 10 days* under typical daily use and up to 28 days* with basic use.

Technical Specifications Haylou RS4 Plus Black - Smartwatch:

• General parameters
  • Brand: Haylou
  • Product: Smart Watch
  • Model: RS4 Plus
  • Colour: Black
• Display
  • Size: 1.78" (rectangular)
  • Type: AMOLED
  • Resolution: 368 x 448
  • Density: 326 ppi
  • Touch: Yes
• Connectivity
  • Connection type: Bluetooth 5.1
  • System requirements: Android 6.0 or higher, iOS 11.0 or higher
  • APP: Haylou Fun
• Sensors
  • Heart rate sensor
  • SpO2 sensor
  • Accelerometer
• Battery
  • Capacity: 230 mAh
  • Battery life (typical daily use): 10 days
  • Battery life (basic use): 28 days
• Design
  • Strap: Magnetic (interchangeable 20mm)
  • Waterproof rating: IP68
  • Dimensions: 45.2 x 37.2 x 10.4 mm
  • Weight (with strap): 57.6 g
• Package contents
  • 1 x Haylou RS4 Plus Black - Smartwatch
  • 1 x Charging cable
  • 1 x User manual