524 mAh Watch GT 4 41mm Smart Watch, Science-based Calorie Management, Pulse Wave Arrhythmia Analysis, TruSeen 5.5+ Heart Rate Monitor, Compatible with Andriod And iOS, + Freebuds 5i Silver

A smart satellite antenna array boosts the accuracy of HUAWEI WATCH GT 4 41 mm's GNSS signals by 30%, to keep you on track in avenues, parks or residential units. And with a smart fusion positioning algorithm, 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, Pro-Level Health Management Pulse Wave Arrhythmia Analysis, upgraded HUAWEI TruSeen 5.5+ Heart Rate Monitoring, SpO2 Monitoring, Intelligent Cycle Tracking, TruSleep, Sleep Breathing, 14-Day Battery Life You can enjoy 8-day battery life for typical usage and up to 14-day battery life for given special conditions, Convenient in daily life and Broadly compatible bluetooth calling, Calendar reminder, SMS quick reply, Watch face store. HUAWEI watch GT 4 is compatible with both iOS and Android, for greater ease of use