Urbanista Copenhagen. Cable length: 0.75 m, Headset connectors supported: 2.5mm Nokia, Samsung plug, Sony Ericsson plug. Ear coupling: intraaural, Headphone frequency: 20 - 20000 Hz, Headphone sensitivity: 118 dB. Weight: 117 g. Cables included: 3.5mm. Compatibility: Telephone, Packaging type: Box