XIAOMI Watch S4 41mm, Smartwatch, 41mm case diameter, Ultra-lightweight 32g body, Menstrual cycle prediction, 150+ sports modes, Safety guardian features, HyperOS 3, Leather Strap(White)

Design:Stainless steel body, multifaceted-cut crown, minimalist lugs, inspired by classic wristwatch aesthetics. The metal version features a diamond-embedded crown for a touch of sparkle on the wrist.41mm compact case diameter, ultra-lightweight 32g body, 9.5mm slim profile.

Upgraded Menstrual Cycle Prediction: Equipped with 0.1°C high-precision temperature sensor for 24/7 skin temperature monitoring, leveraging temperature fluctuation patterns to predict menstrual cycles.

One-tap Health Check: Heart rate, blood oxygen, stress, and sleep health assessed in one tap — quickly understand your health status.

Safety Guardian Features:Triple-click crown button, automatically calls emergency contacts and shares precise location. (Requires pre-configuration in Mi Fitness App). 3-second long press: Activate Safety Mode to share real-time location with emergency contacts or activate siren to draw attention.

Xiaomi HyperOS 3: Focus Notifications, Prioritized alerts from system apps and Mi Home.