Watch S1 Active | With Bluetooth Calling Function | 1.43" AMOLED High Resolution Display | Multi-Sports Modes

Brand - Xiaomi Model - MI Watch S1 Active Bluetooth Calling Function - Yes Screen Size and Type - 1.43" AMOLED Display Battery Life - 12 Days Battery Life (24 Days in Power Saving Mode) Blood Oxygen Monitoring - Yes Heart Rate Monitoring - Yes Water Resistance - 5 ATM Fitness Modes - 117 200+ Watch Faces Supports Dual Band GPS Exquisite Metal Bezels Sensors - Accelerometer, Gyro, Compass, Barometer Battery - 470mAh Bluetooth Version - 5.0, A2DP, LE Charging - Wireless Charging