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. Comfortable to Wear: Ergonomic features all-weather comfortable wearing feeling with a solid rear hanging even in the process of strenuous exercise is difficult to fall off. 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. Separate Design: Both headsets can be connected to the same phone at the same time or can be used independently with a single headset. 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 Speaker Power: 2.5mw Headphone Capacity: 30mAh Charging Case Capacity: 300mAh Speaker Unit: 160HM Microphone: -42DB3DB includes: 1 pair of * Earphone 1 * Charging Box "