5.0 Bluetooth technology: Using the latest Bluetooth 5.0 technology, the connection is faster and the signal transmission is more stable. Applicable to all mobile phones and smart devices with Bluetooth function, all aspects of performance have been greatly improved, giving customers a better experience.3D stereo: The left and right balance of the headset is excellent, as is the overall sound quality. With the help of high-definition microphones and advanced noise reduction technology, you can enjoy calls anytime, anywhere, even in noisy environments.Multi-function: Binaural multi-function buttons, one button to control music, mobile phone, long press to switch the machine. The fit of the earphone is very good, which can meet different ear structures. This headset is not easy to fall, and it is suitable for home, work and driving. It is a waterproof support for running in the rain.Texture design: The smooth shell is very comfortable to the touch, and the stylish design is generous and elegant. It is the perfect choice for gifting friends and relatives. The product is light and small, and can be carried around, and can be placed in a pocket or bag when not in use.