GET LOUD and CLEAN?? Funky Form Factor??Dual Driver for Music Lover?? Prenium Ear cup?? Compatible with iphone?? inline microphone.</br>Driver Unit: 40mm Impedance:32Ohms?? Driver Unit: 15mm Impedance:8Ohms?? Driver Type: Neodymium?? Sensitivity: 108dB+/-3dB</br>Frequency Response: 15Hz~20KHz?? Cord Length: 1.5m?? Cable Type: PVC?? Plug: 3.5mm gold chrome.</br></br>Product Description</br></br>IDANCE FUNKY100-Watt-Channel Recording Studio Equipment ??  Black and Gold</br><br/>http://www.amazon.com/gp/product/B007VXIKWE