Xiaomi Watch S4 Smart Sports Watch (CN version)

Experience advanced fitness tracking and smart features with the Xiaomi Watch S4. This smart sports watch boasts comprehensive health monitoring including optical heart rate and manual blood oxygen measurement. Enjoy clear calls with Bluetooth answering and dialing, and navigate with ease on its vibrant 1.43-inch round display with 466*466 resolution. Designed for durability with 5ATM water resistance and an organic glass mirror, it offers up to 15 days of standard battery life. It also features a built-in speaker and supports Xiaomi Car SU7 key functionality, making it a versatile companion for your daily life and workouts. (CN version)

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