Model Number: TFZ SERIES 5 Driver: 12.5mm Titanium Crystal Dual Loop Dynamic Dual Chamber (N50) Impedance: 12ohm Sensitivity: 105dB/mW Frequency Response: 6Hz-30 kHz Style: In-Ear Plug Type: Line Connectors: 3.5mm Mic: No Lowest Power: 8MW Interface: 3.5mm Giled Cable length: 1.2M