(Bluetooth 5.3 Technology and One-Step Auto Pairing): With Bluetooth 5.3 technology, the sport earphones provide stable, fast connection with your device and ensure wide compatibility, low latency and wider Bluetooth range. The wireless sport earhook earbuds are equipped with innovative receiving technology, which allows both earphones to receive signals from the phone, and the sides of the earphones can be used separately. (CVC 8.0 Noise Cancellation Clear Call & Stereo Sound): The earhook headphones feature an integrated 10 mm biocomposite membrane driver for sound analysis, enhancing deep and dynamic bass, high-resolution and realistic reproduction of raw music, powerful bass, rich mid and resonant frequencies, balanced reproduction of low to mid to high frequencies. Combined with CVC 8.0 noise-canceling features, you'll experience a whole new crystal-clear world of calls. (120 Hours Play Time & LED Power Indicator & 18H Earbuds)120 hour