Smart dual earphone bracelet, bracelet & earphone, wireless restraint, no longger need to be disturbed by the earphone cable during exercise, 9D stereo surround sound gives you a brand-new experience, the bracelet is equipped with a new generation of 5.0 Bluetooth smart high-speed chip which can be fast with mobile phones Connect and provide multi-function health management, such as: heart rate/blood pressure/24-hour real-time monitoring; information synchronization, App information reminder; multi-function exercise detection, step counting, distance, calories, etc. It is a health steward who checks your health 24 hours a day, cares for your health and pays attention to sports.