1/8” (3.5mm) with Snap-on 1/4” (6.3mm) Adapter,90 degree rotating earcups for easy, one ear DJ Style monitoring,Circumaural design contours around the ears for excellent sound isolation in loud environments,Frequency Response: 10 to 23,000 Hz,Lightweight headband enhances comfort and adds durability,40-millimeter open back drivers for powerful, detailed sound,Ear cushions improve wearing comfort and bass response,2M cable for more ease of movement and free range of motion