Key Features . Up to 2 weeks battery lifeMonitor your heart rate sleep levels and more1.39 inch touch screenBluetooth 5.1Compatible with iOS and AndroidWater Resistant up to 50M . Astonishing PowerKirin A1 Huawei\'s first self-developed wearable chip ensures high operation performance and incredibly low power consumption. Dual-chip design and power saving algorithms ensure the Huawei Watch GT 2 consimes less energy to achieve astonishing power for all day and night support. This smartwatch automaticlly optimises the power consumption for a longer lasting battery. A New GenerationLeading the design and craftsmanship of smartwatches with the 3D curved bezel-less watch face of Huawei Watch GT 2 the watch reveals the unique attitude of combining the tribute to classic and the innocation of style Automatic Workout DetectionNever miss out on keeping track of your workouts. HUAWEI WATCH GT 2 is now able to sense the start of a workout recognize the workout type and remind you to start tracking it. Your favourite 6 workout types are supported including Outdoor Run/Walk Indoor Run/Walk Elliptical and Rower. Real-time Heart Rate MonitoringHUAWEI TruSeen is now upgraded to version 3.5 to provide a more efficient and accurate real-time personal measurement of your heart rate. Coupled with the intelligent AI heart rate algorithm it monitors your heart rate throughout the entire day even while you are sleeping. Oxygen Saturation DetectionBlood oxygen saturation (SpO2) is one of the important vital signs that can reflect the oxygen supply of the body. HUAWEI WATCH GT 2 supports single-time SpO2 level measuring helping you detect the level of oxygen in the blood whenever and wherever you need..