Xiaomi Watch S4 eSIM Smartwatch (CN version)

The Xiaomi Watch S4 eSIM Smartwatch features eSIM support, enabling independent calls and internet connectivity. It includes advanced health tracking with heart rate and blood oxygen monitoring, 5ATM water resistance, and NFC for convenient payments and access. Powered by 澎湃OS 2, it also functions as a Xiaomi SU7 car key. Enjoy a vibrant 1.43-inch screen and up to 15 days of battery life. (CN version)

Dial shape: Round NFC function: NFC bus card Certified Model: BAL-AL60 Standard battery life: 15 days CCC compulsory certification: yes Strap Material: other Blood oxygen monitoring: Manual measurement Power supply mode: Magnetic charging cable water proof: 5ATM Host model: Xiaomi Watch S4 Bluetooth version: Bluetooth 5.3 Heart rate monitoring: Optical monitoring Call Type: Bluetooth answering Crystal material: Plexiglas