1. 14-day endurance: enjoy up to two weeks of uninterrupted use with this huawei gt 3 smartwatch, perfect for long trips and outdoor adventures. 2. heart rate monitoring: keep track of your heart rate during workouts and throughout the day, with accurate and reliable readings from the huawei gt 3. 3. blood oxygen monitoring: monitor your blood oxygen levels with the huawei gt 3, ensuring you stay healthy and safe during intense workouts or high-altitude activities. 4. breathing measurement: take control of your breathing and reduce stress levels with the huawei gt 3's breathing measurement feature, perfect for relaxation and mindfulness exercises. 5. sports waterproof: whether you're swimming, running, or cycling, the huawei gt 3 is fully waterproof and ready for any sports or outdoor activity you can throw at it..syi