HUAWEI Watch GT 4 Smart Up to 2 Weeks Battery Life Fitness Tracker Compatible with Android & iOS Health Monitoring Pulse Wave Analysis 41MM Green

【7-Day Battery Life】 You can enjoy 4-day battery life for typical usage and up to 7-day battery life for given special conditions. 【All-new Calorie Management】The new Stay Fit app backed by HUAWEI TruSeen 5.5+ tech helps you keep track of how many calories you're consuming at a glance, with high-level metrics like real-time calorie intake, active calories, resting calories, and calorie deficit. 【Female Health Management 3.0】Get estimated period, ovulation, and fertile times at just a glance, which are based on high-level physiological data and a deep learning algorithm. 【24/7 Health Monitoring】Pulse Wave Arrhythmia Analysis, upgraded HUAWEI TruSeen 5.5+ Heart Rate Monitoring, SpO2 Monitoring, Intelligent Cycle Tracking, TruSleep3.0, Sleep Breathing 【Convenient in Daily Life】Bluetooth Calling, Calendar Reminder, SMS Quick Reply, Watch Face Store 【Broadly Compatible】HUAWEI WATCH GT 4 is compatible with both iOS and Android, for greater ease of use.