SENNHEISER HD 206 Closed-Back Over Ear Headphones
*Closed back design provides passive noise isolation and prevents sound from bleeding into adjacent microphones when home recording. Connectivity *Technology: Wired 
*Lightweight and comfortable designed ideal for long listening, studio or DJ sessions
*24 ohm impedance provides compatibility with cell phones, tablets, computers, portable audio players and studio recorders
*1/8 inch plug (3.5 millimeter) with 1/4 inch (6.3 millimeter)) adapter included