HAYLOU RS4 Plus Smartwatch Black – 1.78 inch AMOLED, IP68, Heart Rate & SpO2, 10-Day Battery

For those who refuse to choose between style and substance, the Haylou RS4 Plus delivers a bright AMOLED display, robust health tracking, and a premium metal build at a price that leaves typical budget smartwatches behind. Its 1.78-inch screen with 60Hz refresh rate makes every interaction feel fluid, while IP68 water resistance means rain, sweat, and splashes won't slow you down.

Highlights

• 1.78-inch AMOLED touch display with 368 x 448 resolution for crisp visuals
• IP68 water resistance – rain, sweat, and splashes are no match
• Accurate heart rate and SpO2 monitoring around the clock
• Up to 10 days of typical use on a single charge
• Bluetooth 5.1 for stable, energy-efficient connectivity
• 100+ sports modes to track every activity

In daily use

From morning runs to late-night deadlines, the RS4 Plus keeps pace. Sleep tracking and stress monitoring offer a holistic view of your health, while message notifications and music control keep you connected without reaching for your phone. The Haylou Fun App makes setup simple, and the 60Hz refresh rate ensures every swipe feels smooth.

Full specifications

• Display: 1.78" AMOLED, 368 x 448 pixels, 60Hz
• Battery: 230 mAh, up to 10 days typical use
• Connectivity: Bluetooth 5.1
• Water resistance: IP68
• Compatibility: Android 6.0+, iOS 11.0+
• Sensors: Heart rate, SpO2, accelerometer, gyroscope
• Material: Metal frame, silicone strap
• Charging time: approx. 2 hours

Final note

With its impressive spec sheet and budget-friendly price, the Haylou RS4 Plus proves you don't need to spend a fortune to get a capable smartwatch. It is a solid choice for fitness enthusiasts and casual users alike.