Smartwatch HUAWEI Watch GT with Graphite Black Silicone Bracelet3.53 cm (1.39\") AMOLED touch screen displayActivity tracking such as walking, running, swimming, cycling, climbingContinuous heart rate monitoringAccurate GPS position detectionHUAWEI TruSleep sleep monitoringWrist circumference: 140 to 210 mmUp to 2 weeks battery lifeConnectivity: Android 4.4+, iOS 9.0+Infrared connectivity, Bluetooth 4.2 and NFCAMOLED touch screen supports slide and touch gesturesDisplay resolution: 454 x 454, PPI 326Step countDisplay of messages and callsSensors: acceleration sensor, gyro sensor, barometer, electronic compass, automatic room light adjustment, GPSwaterproof housing up to 5 ATM (approx. 50 m)Case Weight: 46 gDimensions housing W x H x D: 4,65 x 4,65 x 1,06 cm