With Kirin A1 CPU chip, HUAWEI WATCH GT 2 enables normal use of 2 weeks. It is a professional smart sport watch cares your physical and psychological health. Features: [AMOLED Large Screen] smoother surface, higher sensitivity and definition. [3D Curved Glass Screen] with the cutting technique of sloping edge features exquisite and consummate. [Kirin A1 CPU Chip] the sensor of sport, music, heart rate, sleep monitor, etc co-work for low operation, long-time standby and normal use. [2 Weeks Normal Use Time] 30min/week for BT call, 30min/week for music play, all day wearing, heart rate monitor on, sleep monitor all night, 90min/week for exercise(with GPS), information push(50 time SMS/6 time Caller Identification/3 time Alarm), 200 time screen-on. The actual normal use time would be different due to the using habit. [Speaker&Microphone] BT call is available when you're doing housework, taking a walk, running, cycling or mountaineering. Free your hands, make life more convenient. [BT Music] bulk-storage memory is able to store about 200 to 500 songs of MP3. Enables music playing on the watch or BT earbuds connection for your relaxing exercise time with music. [15 Sports Mode] supports GPS/Beidou multi-satellite positioning for more accurate and faster service. [Professional Analysis of Motion Data] enables the analysis of your maximum oxygen uptake, aerobic/anaerobic exercise effect, body recovery time and training load. [Personal Trainer] presets a dozen of running courses from easy to hard; and the whole-process voice guidance provides you real-time training suggestion, condition monitoring and effect appraisal, which effectively helps to avoid the sport injury, make your training more scientific. [Heart Rate/Sleep Monitor&TruRelax™ Pressure Steward] HUAWEI TruRelax™ technology cares your physical and psychological health through the analysis of your heart rate variability and providing you a respiratory training to release your pressure. [5ATM of Water-Resistance] withstands splashes and supports swimming. Parameters: Screen Size: 1.39 inches Screen Type: AMOLED color round screen Resolution: 454*454 pixels BT: 2.4 Ghz, BT 5.1 Sensor: Acceleration/Gyro/Geomagnetic/Optical Heart Rate/ALS(Ambient Light)/Baroceptor/Capacitive Sensor Compatibility: with Android 4.4, iOS 9.0 and above Battery: Non-removable Li-ion Battery Battery Capacity: 455 mAh Time: < 2 Hours(under 25 ℃ ambient temperature) Standby Time: 25 Days Normal Use: 2 Weeks Functions: BT Music/Calls, GPS, Information Push, Sedentary Alert, Fitness Tracker, Pedometer, Steps, Calories, Heart Rate/Sleep/Pressure Monitor, Voice Guidance, Alarm, Weather, Timer, Compass, Flashlight, Anti-lost. Specifications: Brand: HUAWEI Color: Orange/Black/Brown(Optional) Watch Case: Metal Watch Band: Plastic/Leather Water-Resistance Level: 5ATM Dial Diameter: 4.59cm / 1.80in Dial Thickness: 1.07cm / 0.42in Watch Weight: 44g / 1.55oz Package Size: 11.8*11.8*8.9cm / 3.46*3.46*1.34in Package Weight: 349g / 2.72oz Package List: 1 * Watch 1 * Base 1 * Cable 1 * User Manual Note: -All the results and data are for reference only, not for diagnostic or medical use. -Any waterproof watch should not be used in hot water such as hot bath, sauna, etc. -Don't press any button in the water. -The product is manually measured. If there are deviations in measurement, please refer to the actual product. -Because of photograph light or other reasons, the picture and material object may have slight difference, please in kind prevail.