Features: case: 47 mm, stainless steel, 53 g • display: 1.2992125984", AMOLED, 416x416 px, touchscreen • features: 16 GB, Bluetooth, ANT+, Wi-Fi, GPS / GLONASS / GALILEO / QZSS / BeiDou, sensors: heart rate, barometer, compass, gyro, accelerometer, temperature sensor, SpO2, sleep quality monitoring, light sensor, VO2max