Amazfit GTR 42 mm - Elegant Sports Watch with Extensive Smart FeaturesHighlights: Amazfit GTR offers 12 sports modes, from daily activities such as hiking, running or swimming to climbing and skiing with an integrated BioTracker PPG biological tracking sensor and an algorithm developed by Huami, Amazfit GTR offers advanced, complete heart rate monitoring 24-hour continuous, high-precision heart monitoring vibration alarm, when the heart rate is far too high or outside the heart rate zone during training recording and display of fat burning area to make training more effective and healthier Amazfit GTR has numerous practical applications and reminder functions that make your daily work and life easier the Amazfit App serves as the perfect complement to the Amazfit GTR and enables a wide range of settings and adjustments 1.2'' AMOLED display with 326 PPI and a multitude of elegant watch faces truly revolutionary battery life of up to 12 days1 waterproof to a depth of 50 metres2 the high-precision GPS positioning system is continuously optimized to provide comprehensive training data for outdoor activities light and robust watch case made of aluminium with a thickness of only 9.2 mm shiny microcrystalline zirconium ceramic bezelFurther technical specifications: Dimensions: 42.6 x 42.6 x 9.2 mm Weight: approx. 25.5 g Display: 1.2'' AMOLED, resolution 390 x 390, 326 ppi Touch screen: Corning Gorilla 3 tempered glass + anti-fingerprint coating Strap: Silicone strap Sensors: BioTracker PPG biological tracking sensor, 6-axis acceleration sensor, 3-axis geomagnetic sensor, air pressure sensor, capacitance sensor, ambient light sensor Positioning services: GPS and GLONASS Connectivity: Bluetooth 5.0 Battery: 195 mAh Li-Po battery Charging via magnetic charging station, 2-pin pogo pin charge Charging time: approx. 2 hours Battery life: 12 days in \"typical usage scenario\" 34 days in \"Basic Watch Mode\" 22 hours if GPS continuously on1 Housing material: metal, microcrystalline zirconium ceramic, polymer materials Compatibility: Android 5.0 and higher, iOS 10.0 and higher1. 12 days battery life in this typical usage scenario: heart rate always on, sleep monitoring, 150 push notifications with backlight, wrist up to see screen 30 times, running or training for 30 minutes 3 times a week with GPS on and 5 minutes for other applications. 34 days of battery life in Basic Watch mode: Turn off Bluetooth, heart rate and other features and lift your wrist up to 100 times a day to see the screen. 22 hours typical battery life when GPS is on continuously: GPS on to record training distances, heart rate monitor on. Note: The following duration information was measured by the Huami Science and Technology Sports Laboratory. In practice, battery life depends on various factors such as settings, operation, and operating environment. These may differ from the laboratory data.
2. The watch is water resistant to a depth of 50 metres in accordance with GB/T 30106-2013 / ISO 22810:2010. Amazfit GTR has passed the National Clock Quality Supervision and Inspection Center tests with the following report number: QT1906052\QT190606054. Leather bracelets and two-layer leather and silicone bracelets cannot be worn while swimming. For your bathing needs you can buy a replacement bracelet from Amazfit's wide range. To ensure a good wearing experience, please dry your watch as soon as possible after it has been immersed in water.