FITNESS, HEART RATE & SLEEP TRACKER: The Amazfit GTS fitness smartwatch precise optical heart rate monitoring allows you to accurately track real-time steps taken, all-day heart rate monitoring, distance traveled, calories burned, quality of sleep and sleeping patterns 1.65" AMOLED ALWAYS-ON DISPLAY: Amazfit GTS has a customized 1.65-inch AMOLED always-on stylish square screen which offers a larger display area than a round watch face of the same width, so it can carry more information 14-DAYS BATTERY LIFE: Our smartwatch deeply optimizes the power consumption of the components to bring long-lasting endurance of 14 days while keeping a slim watch body, which enables you to avoid frequent charges BLUETOOTH MUSIC CONTROL: Bluetooth Music Control allows you to directly control music from your GTS smartwatch while workout without having to pull out your phone 5 ATM WATER RESISTANT: Amazfit GTS is water resistant to a depth of 50 meters and supports multiple swimming scenarios. It can automatically recognize your swimming position, and record data like SWOLF, pace or calorie consumption