Thank you for viewing. Since I will not be using it, it is a new, unopened item. The following is quoted from the official website. - Model Name: A5000 - Model Number: FI-A5DPLD - Housing: ABS resin - Driver: Dynamic type (f-Core DU) - Connector: 2PIN - Cable: Soft silver-coated cable - Impedance: 18Ω - Sensitivity: 100dB - Weight: 22g - Cord Length: 1.2m