Features: 1. Comfortable to Wear: Not into the ear design, with a rotatable headset can be adjusted at will, no vibration, even if the long time to wear will not swell pain. 2. 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. 3.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. 4. Applicable Scenes: Suitable for safe driving, Express delivery, rider delivery, office work and listen to music. 5. 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: Bluetooth-compatible Version: 5.0 Transmission Distance: 10m Charging Time: 30min Talk Time: 20h