It is equipped with a Bluetooth V5.0 to ensure a smooth transmission of the audio signal over a long distance. Beside ,the big battery capacity of the earphone can give you more time to have fun. The inside of the earphone adopts a powerful chipset as a engine to drive your earphone intelligently. Wireless audio,it is not only a standard configuration for mobile phone, but also a smart wearable product of "wireless happiness". What's more, ANC technology can make your experience more enjoyable and immersive!