Surround sound, external noise reducing, with metal wire mesh and cool red led light which brings you small family theater experience. Stretchable head beam design, suitable for different users, which can adjust the headband to the best status. The omni directional microphone which makes the call more clearly. 40mm large caliber speakers bring broad sound field and strong bass. Shocking sound gives you a sense of reality. Soft cortex earmuffs, soft and delicate, can reduce the hearing impairment.High precision and smooth wheel volume control, enables you to control the volume as you like.