HP 500‐Dynamic Stereo Headphones:
•System: dynamic, closed
•Frequency response: 20 ‐20.000 Hz
•Sensitivity: 96 dB
•Cable length: 2 m
•Impedance: 32 ohms •Nominal load capacity: 100 mW
•Connector : 3.5 mm Jack
•Accessories: 6.3 mm Jack adapter