Xiaomi Watch S4 eSIM Smartwatch (CN version)

Experience the Xiaomi Watch S4 eSIM Smartwatch, featuring advanced health monitoring with real-time heart rate and manual blood oxygen tracking. Enjoy seamless connectivity with eSIM functionality, Bluetooth calling, and convenient NFC for public transport and access control. Powered by Surge OS 2, it also includes unique integration as a Xiaomi SU7 car key. Designed with a vibrant 1.43-inch 466*466 display and 5ATM water resistance, it offers up to 15 days of battery life on a single charge. (CN version)

Power supply mode: Magnetic charging Heart rate monitoring: Real-time monitoring Call Type: Bluetooth calling water proof: 5ATM model: Xiaomi Watch S4 Product Size: 12mm high Blood oxygen monitoring: Manual measurement NFC function: NFC bus card Certified Model: M2424W1 Standard battery life: 15 days Blood pressure monitoring: Does not support blood pressure measurement Host model: other