Huawei Watch GT 2 Huawei Touch screen: AMOLED 1.39-inch with 3D glass. Battery: Excellent, lasts up to 14 days with normal usage (considered one of the longest battery lives for smartwatches). Calls and Audio: Includes a microphone and external speaker to support making and receiving calls via Bluetooth, and storage for direct music playback. Sensors and Sports: Continuous heart rate monitoring, SpO2 blood oxygen tracking, sleep and stress tracking, and support for over 15 sports modes with built-in GPS. Water Resistance: Water-resistant up to 50 meters (5ATM). Accessories: Original magnetic charging base. Color: Black