Standard USB Audio Interface: Widely applicable to USB3.0/2.0 interface devices, plug and play. One interface can achieve listening and microphone functions, necessary for online lessons.40mm Sound Unit: Equipped with 40mm sound unit and with a full earmuff design, the headset analyzes more sound details and restores the real sound which gives you an amazing stereo surrounding sound effect enjoyment.360° Free Adjustment Unidirectional Microphone: Featured with a microphone pole that can be freely adjusted 360°, the microphone with noise reduction function can intelligently identify the human voice, and suppress environmental noise that makes voice communication more clearly and smoothly.Full Earmuff & Adjustable Headband: The earmuff is designed with full ear-covering to reduce the pressure on the ears; the adjustable headband can be worn comfortably on different head shapes.165g Lightweight Design: The headphone is designed to be lightweight, which optimizing the structure and reducing unnecessary components as much as possible while retaining the core components, making it comfortable to wear for a long time.