IDANCE CRAZY601 - Watt - Channel Recording Studio Equipment, Purple Super Aticulated Headband,Extra Bass with Open Ear CUP,Foldable for EZ transport,Stereo headphone for iphone,with inline microphone,Light weight for outdoor digital audio,Customized Comfortable soft ear pad and headband Driver Unit: 44mm, Driver Type: Neodymium, Impedance: 32, Sensitivity: 108dB+/-3dB Frequency Response: 15Hz~20KHz, Cord Length: Approx.1.5m, Cable Type: PVC, Plug: 3.5mm ,gold chrome