Specs:

Unit Configuration:
* 10mm Ceramic Dynamic Driver Unit * 1
* 8mm PU + LCP Dynamic Driver Unit * 1
* Sensitivity: 98dB at 1kHz
* Impedance: 8.5Ω at 1kHz ±20%
* Frequency Range: 7Hz - 20kHz
* Cable Material: Single Crystal Oxygen-Free Copper
* Cable Length: 1.2m ±5%
* Socket Interface: 2-pin 0.78 mm