Garrett Master Sound Headphones Independent Left/Right Volume Control - High-Efficiency Strontium Magnet Single-Side Coil Cord, 6-Foot Long Cord - Adjustable & Reinforced Head Band Closed Air-Cushioned Earpiece - Frequency Response: 20Hz-18kHz - Impedance: 32 Ohms Nominal Stereo/Mono Selector Switch - Sensitivity: 105dB @ 1kHz - Packed in Full Color Gift Box