1. Heart rate monitor can accurately record activities throughout the day. Precise algorithms can perform more scientific exercises.2. Built-in GPS and heart rate monitor: Track your running route and monitor your heart rate without a phone
3. Professional sports reports: maps, heart rate, calories burned, distance, speed, pace, training effect, recovery time and recommendations...etc.
4. Waterproof: withstand all day, rainproof, showerproof and even swim.
5. Bold style, scientific seamless sleep tracking and convenient and powerful app