SADES ,with over 20 years of professional production experience and strong technical force,is outstanding in the circel of gaming peripherals ,devoting whole life to provide highest standard and professional gaming accessories. Company with its own industrial park and 250 R&D technicians for modeling, structure design, electronics, user interface, and software,has introduced lastest advanced modernization production assembly line ,the check-out facility,and automatically mechanized production equipments,more while being both lead-free and environmentally responsible.ISO9001,ISO14001,CE,ROHS,SVHC,FCC,UL,FDA are certified. Delivers clear sound and Deep Bass for Real Game. Noise-reduction function: Can pick up sounds with great sensitivity and remove the noise. 3.5mm Ports for audio and mic. Soft cushion head-pad, ear-pad and adjustable length hinges: Made of the new skin PU breathable earmuffs, can effectively emit the hot gas inside the earmuffs. It can avoid the sweat and h