Xiaomi Watch S1 Pro Smart Watch

Dimensions: 46mm x 46mm x 11.28mm (Excluding Strap & Protrusions) Weight: 48.5g (with inbox strap) Material: Sapphire (cover glass + heart rate window), stainless steel frame body Strap Size: 140～210mm (TPU Strap), 135～205mm (Leather Strap) Display: 1.47 inch AMOLED, anti-fingerprint coating, 480×480 Resolution, Brightness up to 600 nits, adjustable Operating System: MIUI atch OS Sensors: Heart rate sensor (with blood oxygen sensor), accelerometer, gyroscope, geomagnetic sensor, atmospheric sensor, ambient light sensor, cap sensor, temperature sensor Satellite positioning systems: Beidou/GPS/GLONASS/Galileo/QZSS Microphone Speaker Linear Motor Bluetooth Calls Alexa Voice Assistant Built-In Blood Oxygen Saturation Detection, Heart Rate Monitoring, Sleep Monitoring, Stress Monitoring Precise 3D Distance Monitoring 200+ Watch Faces 100+ Fitness Modes Water Resistance: 5ATM Bluetooth® Version: 5.2 + BLE NFC Battery Capacity: 500mAh (Wireless Charging) Typical use time: 14 days Package contents: Watch/Wireless Charging Dock (including charging cable)/User Manual (including warranty notice)