Xiaomi's first hyper OS watch has been launched, better smoothness and functionality. Watches support changing the bezel.import set System languages: Chinese, English Screen: 1.43-inch AMOLED display screen; 60HZ refresh rate Screen resolution: 466 x 466326PPI The ESIM version needs to be verified with the telecom company for support Product material: aluminum alloy frame, stainless steel watch ring, Corning glass Watch strap material: fluororubber, genuine leather Product size: 47mm × 47mm × 12mm Product weight: 44g (excluding strap) Adjustable length of strap: Viton strap: 140-210mm Leather strap: 135-205mm Battery capacity: 486mAh other Waterproof grade: 5ATM Sensors: heart rate sensor (including blood oxygen), acceleration sensor, gyroscope Geomagnetic sensor, air pressure sensor, ambient light sensor, Hall sensor Charging interface: contact magnetic suction type Microphone: supported Speaker: supported Support system: Android 6.0 or iOS 13.0 and above Satellite positioning: Beidou, GPS, GLONASS, Galileo, QZSS NFC Bluetooth TM 5.2