AKG K 319
None, 16-23000 Hz Hz, Design: In Ear, Type: Headphone, Acoustic Seal: Semi Open, Volume Control, Cable Length: 50.0 meters, Headphone Frequency Response: 16-23000 Hz Hz, Headphone Impedance: 17 ohm ohm, Headphone Sensitivty: 128 dB/1mW dB/1mW