Xiaomi Amazfit Bip Smartwatch with GPS Real-time Heart Rate Monitor Water Resistant Sports Fitness Tracker Support iOS and Android for Kids Men Women /US Version

1,Ultra-Long Standby Battery: a full charge of 2.5 hours can last for maximum of 4 months on watch mode, 45 days on running mode and 22 hours on GPS + running mode. No need to take charger or power bank. Furthermore, it weighs only 32g with the strap which makes it comfortable to wear while sleeping, working, doing sports or on the go
2,Real-time Activity Tracker: the built-in Sony 28nm low-consumption GPS + Glonass module allows more accurate location detection, route mapping, distance measuring, speed calculating, pace tracking, real-time heart rate monitoring etc. It has IP68 waterproof and dustproof rating to meet basic needs of outdoor and it also provides detailed statistics of fitness activity
3,Reflective Whole-day Stand-by screen: it shows statistics while you raise your arm and it smartly auto-adjusts screen brightness according to your surroundings which saves your eyes from stressing out and saves your battery power
4,Notification Reminder: When your phone receives calls or messages, you will never miss it because the watch will remind you by vibrating on your wrist. Moreover, you will be instantly notified when your phone receives app notifications from Facebook, Wechat, WhatsApp, Instagram etc
5,Customized Xiaomi MI Fit3.0: by pairing the watch with your phone, you can make your personal settings and synchronize your activity data (daily activity, distance, speed, steps, stride frequency and other professional sports data) on the mobile phone, which helps to analyze and improve your sports level