HUAWEI WATCH GT 2 is a 42 mm, ultra-thin sport watch featuring a water resistance rating of 50 meters, one week of battery life, and integrated smart features such as TruSleep, workout monitoring, message reminders, heart rate monitoring, GPS tracking and more. Your watch can continuously monitor your heart rate throughout the entire day. If your watch detects an unusual heart rate (alarm value), it will vibrate to alert you. Your watch can also synchronize the data to your mobile phone, and then from your mobile phone to the Huawei Health Cloud Platform. Your watch recognizes and monitors your various types of exercise activities and corresponding data throughout the day using its built-in accelerometer and gyroscopic sensors. Your watch uses TruSleep sleep monitoring technology to accurately and comprehensively monitor your sleep time, identify indicators (such as deep sleep, light sleep, and rapid eye movement), and provide you with detailed sleep quality assessment and improvement recommendations. Connectivity4GB memory. Multi-platform operating system. Bluetooth 5 connection. Display information1.2mm AMOLED screen. Touchscreen. Battery215mAh battery capacity. Typical usage time of up to 0.5 day. Low usage time of up to 7 days. 2 hour charge. Physical specificationSize: medium. Watch size H41.8, W41.8, D9.4mm. Strap size L200, W20, T3mm. Strap can be removed and replaced. Weight 29g. FeaturesWater resistant. Scratch resistant. Make calls. Answer calls. Read texts. Music player. Heart rate monitor. Pedometer. Distance. GPS. Calories. Sleep. Accessories included: Charging cradle, charging cable, including charger. Manufacturer's 2 year guarantee.