XIAOMI Watch S4 41mm Smartwatch, 32g Ultra-Light, HyperOS 3 (Black/Green)

DesignPremium stainless steel body with multifaceted-cut crown and minimalist lugs inspired by classic wristwatch aesthetics. 41mm compact case, ultra-lightweight 32g, 9.5mm slim profile.
Health Monitoring0.1C high-precision temperature sensor monitors skin temperature 24/7, leveraging temperature patterns to predict menstrual cycles.
One-Tap Health CheckHeart rate, blood oxygen, stress, and sleep assessed in one tap for a quick health status overview.
Safety FeaturesTriple-click crown to auto-call emergency contacts and share location. 3-second long press activates Safety Mode with real-time tracking or siren.
EcosystemXIAOMI HyperOS 3 with Focus Notifications delivers prioritised alerts from system apps and Mi Home for a smarter wrist experience.