Xiaomi Watch S4 Smart Sports Watch (CN version)

Experience the Xiaomi Watch S4 Smart Sports Watch, a sleek 47mm device designed for an active lifestyle. This watch features advanced health monitoring, including heart rate and blood oxygen tracking, powered by Surge OS 2. Enjoy the convenience of Bluetooth calling, 5ATM water resistance, and up to 15 days of battery life. It also offers unique functionality, serving as a Xiaomi SU7 car key. (CN version)

Call Type: Bluetooth dialing Power supply mode: Magnetic charging cable Crystal material: Plexiglas Product Weight: 44.5g App Installation: not support Dial shape: Round Bluetooth version: Bluetooth 5.3 Dial size: 47mm Product Size: 12mm high speaker: Built-in speakers Wristband color: black Blood oxygen monitoring: Manual measurement Heart rate monitoring: Optical monitoring water proof: 5ATM Host model: Xiaomi Watch S4 Certified Model: M2425W1 Standard battery life: 15 days