The Amazfit T-Rex Pro is a tough and solid smartwatch. Having passed 15 military-grade tests, the watch can battle through extreme environments. Witness endurance that braves the elements with 70 degree heat-resistance, -40 degree cold-resistance, shock-resistance and 100 metre water-resistance. Explore the unknown with four Global Navigation Satellite Systems which support rapid GPS positioning. It means hiking, running and cycling is recorded with a high-degree of accuracy. Also includes 18 days battery-life, exercise modes, sleep monitoring. Toughness from the Inside Out – combining practicality, strength and comfort. The clarity of the 1.3-inch HD AMOLED colour screen, with its always-on display, means that you don’t miss important information and notifications. Accompanied by a skin-friendly silicone strap with a sweat-wicking design, T-Rex Pro remains dry and comfortable. Your Partner in Exploration - T-Rex Pro is a first class exploration partner supporting blood-oxygen saturation measurement, a weather tracker, a sunrise and sunset monitor, moon phase display, a compass/barometric altimeter and a ultra-long 18-day battery life. Exercise to the Fullest - Track Your Every Move - featuring +100 sports modes you can monitor critical workout data such as heart rate, distance travelled, speed and calories burned to help track and improve your athletic performance. The FirstBeat™ algorithm also assesses achievement data. Get Personalised Evaluations with PAI – a health assessment system that uses an algorithm to transform complex information such as heart rate, activity duration, and other health data into a single numerical value, unique to each user. A daily personalised health evaluation is also provided. ConnectivityAndroid operating system. Bluetooth 5 connection. USB 2 connection. Display information33.02mm AMOLED screen. Touchscreen. 360 x 360 screen resolution. Battery390mAh battery capacity. Typical usage time of up to 18 days. Low usage time of up to 9 days. 1.5 hour charge. Physical specificationSize: one size. Watch size H47.7, W47.7, D13.5mm. Strap size L122, W22, T0.1mm. Weight 59.4g. FeaturesWater resistant. Swimproof. Dust resistant. Compatible with apps from the Apple app store. Answer calls. Read texts. Read emails. Receive social network notifications. View calendar. Displays weather. Heart rate monitor. Pedometer. Distance. Accelerometer. GPS. Calories. Sleep. Accessories included: 1 x USB Charging Cradle, 1 x Instruction Manual, including charger. Manufacturer’s 1 year guarantee. EAN: 6972596102519.