Beteran Senmai HD800 50mm Dynamic Fully Enclosed Adjust Headband Noise Cancelling Deep Bass Monitor Audio Mixing Record DJ Monitor Studio Recording Stereo Over Ear Music Headphone Headset for Mp3 Mp4 Music Player DVD Mobile Phone (Black) FeB 50mm driver features wide frequency response and dynamic range Punchy bass performance,specially designed for DJ and dance music lover Closed design effectively isolated the ambient noise. Comfortable and sealed ear pads for relieving pressure and minimizing bass sound leakage Ergonomic design suits different head shape wearing Foldable ear cup and detachable cable design for convenient carrying. 180swivel ear cup for one-ear monitoring