... Volume+,Volume-,Play/Pause,Last song,Next song,easy and convenient to operateWireless connect with PC, can listen ... microphone,speakers and reasonable design of cavity makes your communication and listening more clear and vividUSB adapter can plug and play, ... it.Applied ergonomics design,wearing more beautiful,comfortable and convenientConnet with TV,iPhone etcMicrophone:Microphone size:6mmSensitivity ...