Feature: -Newly upgraded Bluetooth V5.4, excellent anti-interference, power consumption is further reduced, transmission is faster and more stable without dropping, goodbye to the current sound, noise, noise, noise, belonging to the human ear can not perceive the delay range, the whole body and mind into the battlefield, enjoy catching up with the drama wantonly game! -Adopts comfortable active noise cancellation technology and closed ear wrapping design, which can automatically recognize noise and send out corrective signals, with professional acoustic architecture, the three modes of music, noise reduction and environment work closely together. Easy to cope with different scene needs. -Comprehensively enhance the acoustic sense of hearing, and through digital audio algorithms to re-construct the stereo on the human voice, the background sound double enhancement, to create a music scene stereo sound effect and a panoramic sense of being in the theater.