About this item

About this item Precise Heart Rate Monitoring During Exercise with PPG Sensor, Real-Time Notifications for Workout Status and Excessive Heart Rate Data. Magnetic Sport Ear Hooks for Increased Stability, Easy to Remove and to Store. 8 Hours Battery Life on a Single Charge and 24 Hours with the Charging Case. Professional Sports Sound System Bring.s Immersive and Dynamic Sound. ENC Dual-Microphone Noise Reduction for HD Calls..IP55 Water & Dust Resistance..Truly Wireless, Wear Sensors and Touch Function.