Watch S4 41mm Smartwatch 1.32-inch High-Brightness AMOLED Display, 8-Day Battery Life, Health Monitoring, Sleep Reports, Fall Detection, 150 Sports Modes, IP54 Splash Resistance Green

**Stunning 1.32" AMOLED Display & Premium 41mm Stainless-Steel Build** Featuring a vivid 1.32" AMOLED screen with 466×466 resolution, 352 PPI, 60Hz refresh rate, and up to 1500 nits HBM brightness, the Watch S4 41mm stays crystal-clear even under direct sunlight. The sleek stainless-steel bezel and lightweight 32g case ( 9.5 mm thin) pair effortlessly with both business attire and workout gear. **Up to 8 Days Battery & Efficient Magnetic Charging** Get up to 8 days of light usage, 4 days typical, or 3 days heavy use on a single 320mAh charge.

When power runs low, the 2-pin magnetic dock tops you back up quickly 5 minutes of charging covers roughly 2 days of use. [Data from internal labs; actual results may vary. ] **Comprehensive Health & Wellness Tracking** Stay in tune with your body via 24/7 heart rate, blood oxygen (SpO2), sleep staging (Deep/Light/REM), stress, and female health tracking all visualized in the Mi Fitness App. A 6-sensor suite (accelerometer, gyroscope, ambient light, barometer, plus skin temperature sensor) captures both day and night, giving you a fuller picture of your wellness.

[This product is not a medical device. Data is for wellness reference only. ] **HyperOS 3 & Bluetooth Calling on Your Wrist** Powered by HyperOS 3 with Bluetooth 5.4, enjoy smooth interactions and take Bluetooth calls directly from your wrist (1 mic + speaker built in). Control your phone camera, manage music, use built-in NFC* for contactless payments, and seamlessly trigger Smart Home devices on the go. [*NFC availability varies by region. ] **150+ Sports Modes with 5ATM & Built-in GNSS** From running to swimming to HIIT 150+ pro sports modes auto-detect workouts and deliver real-time stats.

Rated 5ATM water-resistant (up to 50m), swim-ready for pool and shallow-water sessions. Backed by built-in 5-system GNSS (GPS + Galileo + Glonass + BeiDou + QZSS) for accurate outdoor tracking without your phone