1. The heart rate monitor can accurately record activities during the day. Precise algorithms can perform more scientific exercises.2. Built-in GPS and heart rate monitoring: track running path and monitor 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. Water resistant: withstands all day, rain, shower and even swimming.
5. Bold style, smooth and comfortable scientific sleep tracking, and a powerful app