Xiaomi Watch S4
The Xiaomi Watch S4 is a high-end smartwatch with a classic design, bright display, and a strong suite of health and smart features. Key features include a vibrant 1.43-inch AMOLED display with a high brightness of up to 2200 nits, ensuring excellent visibility in any condition. For health and fitness, it offers comprehensive tracking of heart rate, SpO2, stress, and sleep, along with over 150 sports modes and a professional ski mode with fall detection. The watch runs on Xiaomi HyperOS 2, supports Bluetooth calls, and features a dual-frequency GNSS chip for accurate GPS tracking. Its 486mAh battery provides up to 15 days of typical usage, and the device is built with a durable aluminum alloy frame and a 5ATM water resistance rating
Key Features
- Upgraded Interchangeable Bezel: The watch features an elegant, aluminum alloy frame with an upgraded interchangeable bezel design. This allows you to quickly swap out the bezel to match your style or a specific occasion.
- Vivid 1.43-inch AMOLED Display: The watch boasts a vibrant 1.43-inch AMOLED display with a high resolution of 466×466 pixels. With a high brightness of up to 1500 nits in HBM and a 60Hz refresh rate, the display is exceptionally clear and smooth, even in direct sunlight.
- Built-in Dual-Frequency GNSS: Equipped with a built-in L1+L5 dual-frequency GNSS chip, the watch offers precise and accurate positioning via five major satellite systems (GPS, Galileo, GLONASS, BeiDou, and QZSS). This is ideal for accurately recording outdoor activities like running and cycling.
- Comprehensive Health Monitoring: The watch provides 24/7 health protection with a high-precision sensing module that monitors heart rate, blood oxygen (SpO₂) levels, stress, and sleep patterns. It can also generate a micro-physical examination report in around 60 seconds.
- 150+ Sports Modes & Running Coach: The watch supports over 150 sports modes and includes a personal running coach on your wrist. It automatically identifies key running posture metrics and offers professional tips for better workouts.
- Long-Lasting Battery Life with Fast Charging: A 486mAh battery provides an impressive battery life of up to 15 days with typical usage. With fast charging support, a quick 5-minute charge can deliver up to 2 days of usage.
- 5ATM Water Resistance: With a 5ATM water resistance rating, the watch is suitable for swimming and everyday water exposure.
- Xiaomi HyperOS Integration: Powered by Xiaomi HyperOS 2, the watch offers seamless connectivity with the Mi Fitness app and other smart home devices via the Xiaomi Smart Hub.
Specifications
- Model: Watch S4 (BHR9195GL)
- Display: 1.43-inch AMOLED (466×466 pixels), 1500 nits (HBM)
- Dimensions: 47.3mm x 47.3mm x 12.0mm
- Weight: 44.5g (without strap)
- Water Resistance: 5ATM
- Battery: 486mAh
- Battery Life: Up to 15 days (typical usage)
- Connectivity: Bluetooth 5.3, Built-in GNSS
- Sensors: Heart rate (with SpO2), Accelerometer, Gyroscope, Ambient Light, Barometer, Compass
- Compatibility: Android 8.0+ and iOS 14.0+
- OS: Xiaomi HyperOS 2




Umrelo.com – Your Trusted Online Store in Bangladesh for Smart Watches & Smart Bands
Looking for the best smart watches and fitness bands at the best prices in Bangladesh? Umrelo.com brings you a wide collection of premium smart watches and smart bands from top brands. Whether you’re into fitness tracking, productivity, or just want a stylish wearable, we’ve got you covered with fast delivery, authentic products, and unbeatable deals.
Why Buy Smart Watches & Bands from Umrelo.com?
- Top Brands, Best Prices – Get smart watches and bands from popular brands with competitive pricing.
- 100% Authentic Products – Guaranteed original and high-quality wearables.
- Fast Delivery – Reliable shipping and quick delivery across Bangladesh.
- Wide Range of Options – Choose from fitness trackers, sports watches, lifestyle smartwatches, and more.
- Secure Online Shopping – Easy and safe checkout process with various payment options.
- Exclusive Offers – Enjoy seasonal deals and discounts on select smart wearables.
Shop now at Umrelo.com for the best in wearable tech – your lifestyle upgrade starts here!