The 'Huawei Health' app supports automatic pairing recognition. Simply open the app and you will be prompted with the list of pairable devices. In this case, touch the Bluetooth name of the device you want to pair with and follow the onscreen instructions to complete the pairing. 2 weeks battery life.Huawei Health app Classic watch design with ultra thin Personal training experience and multi-sport modes TruSeen3.0: Smarter heart-rate monitor Trusleep: Sleep quality monitoring Three Satellite positioning, faster and more accurate SIM card is not supported , Slim. Beautiful. Strong Huawei Watch GT is your ideal workout companion that 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. -Week Battery Life*, Travel without Limits This new design provides a 2-week battery life to keep up with wherever you go. 22 hours of continuous exercise tracking with Heartrate monitoring & GPS on. *Battery life may vary depending on usage. Real-time Heartrate Reporting Huawei TruSeen 3.0 heart rate monitoring technology provides a more efficient and accurate real-time personal measurement of your heart rate by using a self-learning algorithm and innovative sensors. Intelligent Sleep Statistics A joint-study with Harvard Medical School CDB Center produced a brilliant sleep monitor program for every cycle of sleep. Huawei TruSleep 2.0 identifies common sleep related issues and provides more than 200 potential suggestions to help you sleep better. Clever Scientific Coaching Stay 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 Day Perfect for counting steps, your sedentary status and monitoring peak intense activities. Notifications of any messages, phone calls, alarms or set reminders are all organized on your wrist. Swimming Champion Water resistance up to 50 meters, Huawei Watch GT can recognize, improve your stroke and automatically provide a SWOLF score upon completion of your swim. *The leather rubber strap is not suitable for swimming. Professional Cycling Assessments Provides a professional assessment by measuring calories burned, heartrate, distance, speed and accumulative climbing and falling for all the cycling enthusiasts. Satellites and 1 Precise Location Modern GPS supports 3 Satellite Positioning Systems (GPS, GLONASS, GALILEO) worldwide to offer more accurate, faster and precise positioning. Made to Elevate Hosting a barometer, compass and altitude tool, this watch is made for trekking long mountainous hikes with a 3D distance feature and discovering trails to your favorite historical sites. Always Ready Multiple sports modes for many outdoor, indoor and training activities, the Huawei Watch GT is ready to make it possible.