* Stainless Steel Body And Saddle Brown Leather Silicone Hybrid Strap* 1.39-inch AMOLED colour screen* Sustaining battery life, lasts for up to 2 weeks without charge* 24/7 continuous heart rate monitoring, supports resting heart rate, single heart rate, continuous heart rate, and other measuring features* Water-resistance for shallow waters, including swimming pools or beachfront swimming* Altitude barometer for mountaineeringSlim. Beautiful. StrongThis watch is resilient to accidents because of its ceramic bezel design, stainless steel shell and DLC coating. Measuring in at a mere 10.6 mm and featuring a double crown 1.39" 454 x 454 AMOLED screen, it's remarkably vibrant and slim.2-Week Battery LifeTravel without Limits. Introducing the first double chipset architecture in the industry and this new design provides a 2-week battery life to keep up with wherever you go. Battery life may vary depending on usage.2WEEKS: Heartrate monitoring on. Exercise for 90 minutes per week.30DAYS: Receive messages & calls. Heartrate monitoring off.22HOURS: Continuous exercise tracking. Heartrate monitoring & GPS on.Real-time Heartrate ReportingHUAWEI TruSeen 3.0 heartrate monitoring technology provides a more efficient and accurate real-time personal measurement of your heartrate by using a self-learning algorithm and innovative sensors.3 Satellites and 1 Precise LocationModern GPS supports 3 Satellite Positioning Systems (GPS, GLONASS, GALILEO) worldwide to offer more accurate, faster and precise positioning.Clever Scientific CoachingStay Fit with the HUAWEI WATCH GT that provides coaching in introductory to advanced running courses to assist you in real-time while also providing guidance training and giving time-movement effect feedback.Smart Notifications to Power Through Your DayPerfect for counting steps, your sedentary status and monitoring peak intense activities. Notifications of any messages, phone calls, alarms or set reminders are all organised on your wrist.DIMENSIONS: Length x width x height: 46.5 mm x 46.5 mm x 10.6 mmWrist coverage range 14 ~ 21 cmWEIGHT: Approximately 46 g (without the strap)WATCH CASE:  Stainless SteelWATCH STRAP: Saddle Brown Leather Silicone StrapDISPLAY: 1.39 inch AMOLED colour screen, Resolution: 454 x 454, PPI 326The AMOLED touchscreen supports slide and touch gesturesGPS: SupportedMEMORY: Internal ROM 128 MB, internal RAM 16 MBBluetooth: BT4.2, BLESENSORSAccelerometer sensorGyroscope sensorMagnetometer sensorOptical heart rate sensorAmbient light sensorBarometer sensorBUTTON: Power button, function buttonSYSTEM REQUIREMENTS: Android 4.4 or later ; iOS 9.0 or laterCHARGING TIME: <= 2 hours (under 25 °C ambient temperatures)BATTERY LIFE: 14 days for typical use. The typical usage scenarios are decided based on the user habits. The specific battery life depends on the user habits and usage frequency.CHARGER VOLTAGE AND CURRENT REQUIREMENTS: 5V 0.5 A / 1 A / 1.5 A / 2 ACHARGING PORT: Magnetic charging thimbleWATER RESISTANCE: 5 ATM water-resistant