The headphones can be folded for easy carrying and storage, giving you a convenient experience when you go out. Japanese voice coil and 40mm driver diaphragm delivers powerful bass, clear vocal, and crisp high tones from stereo hi-fi sound. 3.5Mm & 6.35mm plugs on each end of the audio cable, just plugin according to your needs. DJ Headphone, Mastering, Studio, Monitoring, Broadcast, Mixing. Driver/Sensitivity/Impedance 40mm/1103dB/32ohms 50mm/100%/32%/35%/38%/30%/21%/33%/31% and 3% - 1%, 2% and 7%, respectively, for a 3.5mm earcup and 4ft cable w/ boom mic. 3) 3.5mm Black 4ft Cable with Mic.