Features: 1. Wider Compatibility: Supports Bluetooth 4.0, compatible IOS8.0 and Android4.4 or above systems. 2. Heart Rate & Blood Pressure/Oxygen Monitor: The heart rate monitor is equipped with a green...
Features: 1, Bluetooth 5.0 link, faster and wider transmission, about 10-20m/32.8-65.6ft barrier-free transmission, leaving the phone, listening to songs, calls are not interrupted. 2, Surround stereo sound, strong bass, using...