Features: Intelligent Noise Reduction: Even when you are in a noisy environment, this headset allows you to talk clearly as if you were communicating face-to-face, without being affected by noise. Long-lasting Battery Life: The charging compartment combines charging and storage, and intelligent display of power, the headphones can continue to listen to songs all day when fully charged. Bluetooth-compatible 5.0 Chip: Effectively solve the headset and Android connection instability, faster and more stable connection, and more compatible. Applicable Scenes: Suitable for safe driving, Express delivery, rider delivery, office work and listen to music. After-service: If you have any questions after receiving the product, please feel free to contact us and we will provide you with a satisfactory answer. Specification: Color: black Bluetooth-compatible Protocol: 5.0 How to Use: Hanging Version: Normal Edition/Waterproof Edition/Fast Charging Edition