HUAWEI Watch GT 2 Classic (42 mm) Smartwatch 3.05 cm (1.2\") AMOLED display Resolution: 390 x 390 Internal memory: 4 GB RAM: 16 MB Connection via Bluetooth Fitness features: heart rate measurement, pedometer, training data acquisition, sleep monitoring, swim training function, activity recognition Smart Notifications Gyro sensor, barometer and electronic compass GPS, GLONASS Max. Operating time: up to 7 days Waterproof up to 5 ATM